Innervation of tongue

The cranial nerve innervation of the tongue is complex. Different nerves innervate different parts of the tongue responsible for different tastes. This video.. The posterior one-third of the tongue is innervated by the glossopharyngeal nerve (CN IX) which carries both general sensory information from mucosa and special sensory information from the vallate papillae. The anterior two-thirds of the tongue have double sensory innervation Tongue's innervation is divided into three parts: anterior 2/3, posterior 1/3 and root of tongue. Foramen cecum marks the boundary of anterior 2/3 and posterior 1/3 Innervation of the tongue. The innervation of the tongue is divided into sensory and motor components. Sensory supply. Sensory supply to the tongue involves several different nerves: Anterior two-thirds: Lingual nerve (a branch of the mandibular division of the trigeminal nerve - V3 Innervation of the tongue consists of motor fibers, special sensory fibers for taste, and general sensory fibers for sensation. [5] Motor supply for all intrinsic and extrinsic muscles of the tongue is supplied by efferent motor nerve fibers from the hypoglossal nerve (CN XII), with the exception of the palatoglossus , which is innervated by the vagus nerve (CN X)

The tongue is innervated by a range of cranial nerve connections related to muscles, oral mucosa, taste buds, and minor salivary glands. trigeminal nerve (CN V) - lingual branch facial nerve (CN VII) - chorda tympani branch glossopharyngeal nerve (CN IX Innervation. The tongue has multiple sources of innervation based on its embryological. General sensory innervation of the tongue is enabled by the lingual nerve (a branch of the mandibular nerve CN V3) and glossopharyngeal nerve (CN IX), where the former innervates the anterior two-thirds of the tongue, while the latter supplies the posterior one-third of the tongue

The floor of the oral cavity receives sensory innervation from the lingual nerve - a branch of the mandibular (V3) division of the trigeminal nerve. The tongue is also innervated by special sensory fibres for taste from the chorda tympani, a branch of the facial nerve (CN VII). The cheeks are innervated by the buccal nerve Innervation. All muscles moving the tongue are innervated by the hypoglossal nerve ().The rostral 2/3 of the tongue is innervated by the sensory lingual branch of the trigeminal transmitting temperature, touch and pain sensation.The chorda tympani of the facial nerve transmits the taste.The caudal 1/3 of the tongue is innervated by the glossopharyngeal providing sensory function for taste Here is an easy way to remember the cranial nerve innervation of the tongue using a simple mnemonic. www.BaroneRocks.co Welcome to Soton Brain Hub - the brain explainedIn our latest video Scott talks through the innervation of the oral cavity and tongue.Subscribe for more video Innervation is from CNXII. Palatoglossus: arises from the palatine aponeurosis and inserts across the tongue. It elevates the posterior portion of the tongue. It is the only muscle innervated by the vagus nerve (CN X)

What cranial nerve provides sensation to the tongue? - Quora

Innervation of the Tongue - Cranial Nerves - MEDZCOOL

The tongue is a complex, principally muscular structure that extends from the oral cavity to the oropharynx. It has important roles in speech, swallowing and taste. Gross anatomy The tongue has a tip, dorsum, inferior surface and root. The ton.. DEVELOPMENT OF THE TONGUE by: Dr. Carmina Romero Granado . We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads

The glossopharyngeal nerve (/ ˌ ɡ l ɒ s oʊ f ə ˈ r ɪ n (d) ʒ i ə l,-ˌ f ær ən ˈ dʒ iː ə l /), known as the ninth cranial nerve (CN IX), is a mixed nerve that carries afferent sensory and efferent motor information. It exits the brainstem out from the sides of the upper medulla, just anterior (closer to the nose) to the vagus nerve.The motor division of the glossopharyngeal. The rat tongue has an extensive, complex innervation from four cranial nerves. However, the precise developmental time course and spatial routes of these nerves into the embryonic tongue are not known, although this knowledge is crucial for studying mechanisms that regulate development and innervation of the lingual taste organs, gustatory papillae and resident taste buds Using a tongue scraper to clean your tongue is proven to prevent heart attacks, pneumonia, premature births, diabetes. 3). Your tongue never stops working. Even when you sleep it is pushing saliva into your throat. 50. VASCULATURE & INNERVATION OF TONGUE HUMAYUN AFRIDI CLASS No. 55 51 كتب Innervation of the tongue (7,528 كتاب). اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة. # Innervation of muscle # Blood supply and innervation # Innervation gland # Vagal innervation of the heart # Innervation of the atrioventricular node # Innervation face # Mother tongue language teaching # Hand tongue # Chaste in the tongue of the. 1. Anat Embryol (Berl). 1983;167(2):173-89. VIP innervation of the tongue in vertebrates. Baecker B, Yanaihara N, Forssmann WG. An immunohistochemical study was carried out in order to investigate the occurrence of vasoactive intestinal polypeptide (VIP) in intralingual nervous tissue of different species

Palatoglossus is the only muscle of the tongue that is not innervated by the hypoglossal nerve (CN XII). It is innervated by the pharyngeal branch of the vagus nerve (CN X) Innervation. The innervation (supply of nerves) of the tongue is quite complicated because it consists of three different parts, namely a motor, a sensitive and a sensory (respon Nucleus Medical Media is a U.S. business that creates and licenses medical illustrations and animations. For a free proposal on your next medical project of any size, contact the company with the largest staff of graduate-degreed medical animators in the world

General sensory innervation of the human tongue The tongue was found to be innervated by three types of endings: nonmyelinated free endings, semiorganized coiled endings, and organized endings. All organized endings are mucocutaneous end organs in various sizes and shapes and are nonspecific-cholinesterase positive Crossed innervation may help ensure symmetry and stability of tongue position and movements under normal conditions and following injury or degenerative changes affecting the tongue. Keywords: genioglossus, hypoglossal nerve, motor units, obstructive sleep apnea, spike-triggered averagin

Oct 16, 2018 - DomainMarket.com sells premium domain names to entrepreneurs, businesses, and nonprofits that want to dominate their online marketplaces and perpetually control great brands Veterinary Research Communications, 29(Suppl. 2), 203-206 Keywords: buffalo, fetus, innervation, lingual papillae, tongue Abbreviations: LM, light microscopy; SEM, scanning electron microscopy; TEM, transmission electron mi- croscopy INTRODUCTION Many studies have analyzed the morpho-functional characteristics of the mammalian tongue in order.

Tongue: Nerve and blood supply (lingual artery) Kenhu

The fungiform papillae are small at the fore part of the tongue but larger at the hinder part, with secondary papillae. In the epithelium taste buds are often observed. The innervation is weak in the fore part, but as we go backward, the nerves become better developed, with frequent formation of basal plexus at the base The innervation of the tongue is complex. Motor innervation of all intrinsic and extrinsic muscles, except for the palatoglossus comes from the hypoglossal nerve. The palatoglossus receives innervation from the vagus nerve. The anterior and posterior portions of the tongue have different taste and sensory innervation due to their different. Cranial nerve IX is the glossopharyngeal nerve, important for parasympathetic, motor and sensory innervation of the tongue, pharynx and larynx.Here, we break down the different anatomical structures contributing to the glossopharyngeal nerve and discuss its clinical relevance This stock medical illustration depicts a side cut-away view of the head and neck with emphasis on the nerves innervating the tongue

The tongue is a muscular mass and although it is made up of several muscles, all act in conjunction with each other to perform various movements. The tongue muscles can be divided into the intrinsic and extrinsic groups. Broadly the intrinsic muscles can alter the shape of the tongue while the extrinsic muscles change the position of the tongue The tongue begins to form at approximately the same time as the palates. It extends from various protuberances on the pharynx floor. Already at the time of the medial fusion of the first (mandibular) and second (hyoid) pharyngeal arches a medial protuberance, the tuberculum impar, appears on the lower edge of the mandibular arch.To the left and right of it two further swellings form, the. Innervation of tongue. Innervation of the tongue. The innervation of the tongue is divided into sensory and motor components. Sensory supply. Sensory supply to the tongue involves several different nerves: Anterior two-thirds: Lingual nerve (a branch of the mandibular division of the trigeminal nerve - V3 Tongue's innervation is divided into three parts: anterior 2/3, posterior 1/3 and root of. Start studying Muscles of the Tongue, Innervation of the Tongue. Learn vocabulary, terms, and more with flashcards, games, and other study tools

The innervation of the musculature of the tongue. J Anat. 1940 Jan; 74 (Pt 2):255-267. [Europe PMC free article] [Google Scholar] Associated Data Supplementary Materials Articles from Journal of Anatomy are provided here courtesy of Anatomical Society of Great Britain and Ireland. Citations & impact. Search results for 'Innervation of the tongue' Department: Medical, Pharmaceutical and Health science. Author: Nto Nto Johnso Phrases contain exact innervation of the tongue from credible sources. EXACT : Related keywords of innervation of the tongue from credible sources. innervation of the tongue. innervation of the tongue sensory. cranial nerve innervation of the tongue. neural innervation of the tongue Innervation. Anterior 2/3rds of tongue. General somatic afferent: lingual nerve branch of V3 of the trigeminal nerve CN V; Taste: chorda tympani branch of facial nerve CN VII (carried to the tongue by the lingual nerve). Posterior 1/3rd of tongue. General somatic afferent and taste: Glossopharyngeal nerve CN IX; Moto

Innervation of the tongue, palate, pharynx & larynx with mnemonic. Hey everyone! We are learning innervation of some muscles today! Yaay! Glossal means pertaining to or near the tongue.. That's your starting point. All muscles ending in glossus are supplied by hypoglossus..Except palatoglossus Cranial Innervation of TONGUE. #mnemonic #pinterest #vagusnerve #facial #glossopharyngeal #medico #medicine #legaldruglords #doctorofpharmacy #pharmd #PharmDpedia Follow us @doctor_of_pharmac

complexity of innervation of muscles associated with limbs and the tongue, has released a constraint on pattern of innervation. As a consequence, a greater diversity and, in several taxa, greater complexity of neuroanatomical associa- tions of nerve roots to form the hypoglossal are expressed. The tongue of gymnophione amphibian Tongue weakness may result from a supranuclear, nuclear, or infranuclear lesions. Supranuclear lesions cause weakness but no atrophy, and the weakness is rarely severe. Since the genioglossus—the principal tongue protractor—has mainly crossed supranuclear innervation, the tongue protrudes toward the side opposite a supranuclear lesion Profiles of nerve plexuses in the arteriovenous anastomoses of the dog tongue were investigated by both transmission and scanning electron microscopy. Three-dimensional morphology of the vascular nerves was examined after removal of the connective tissue components by the HCl-hydrolysis method. Tight bending and a rich nerve supply were the most characteristic features of the anastomosing. Introduction. Tongue receives extensive innervation from the cranial nerves to perform taste, sensory, and motor functions (Mu and Sanders, 2010).Tongue is also regulated by the autonomic nervous system, consisting of the sympathetic and parasympathetic nerves to stimulate salivation (Aps and Martens, 2005).In the oral cavity, the tongue epithelium and nerves are in constant contact with high.

Nerve Supply of Tongue - Medicalopedi

  1. Taste buds tend to reside in clusters within the bumps of the tongue, called papillae. There are four types of papillae: (1) Filiform papillae are cone shaped and found all over the tongue. These papillae are mechanical and nongustatory and account for the tongue's rough and uneven surface - in their absence the tongue is pale and smooth
  2. The vertical muscle of the tongue is one of the four intrinsic muscles of the tongue which alters the shape of the tongue mass, being entirely confined to the tongue without an extraglossal attachment (cf. extrinsic muscles of the tongue). Innervation. Like all the intrinsic muscles of the tongue, it is innervated by the hypoglossal nerve.
  3. Fig. 2. a VIP-IR ganglionic ceils in the lizard tongue (arrow). Note also the VIP-positive varicosities (double arrows) close to the basal part of a tubular gland, b VIP-IR perivascular nerves seen close to the intralingual muscle tissue, x 340 - VIP Innervation of the tongue in vertebrate
  4. The innervation of the arteriovenous anastomoses in the dog tongue has been investigated. At the lightmicroscopic level, the vessels were found to be densely supplied with adrenergic and AChE-positive nerve plexuses and less densely with the quinacrine-binding nerve plexus. At the electron-microscopic level, at least two apparently different types of axon profiles were identified: 1) Small.

Tongue Anatomy Muscles, Innervation, Blood Supply

Exam essay - splanchnology splanchnology dental medicine 38. tongue. blood supply, lymph drainage and innervation. structure of the tongue. functions of th Awesome graphic on the Structures and Innervation of the Tongue. Perfect as a poster for your office, study or even a friend! The graphic is also handy for Speech-Language Pathology and Communication Sciences/Disorders subjects to learn the anatomy of the tongue and its surroundings. Total Pages: 1 (Digital - ZIP File format Differential innervation of protruder and retractor muscles of the tongue in rat Elizabeth G. Dobbins Systems Neurobiology Laboratory, Department of Physiological Science, University of California Los Angeles, Los Angeles, California 90015‐152 Because of their primarily contralateral innervation, the muscles of the lower face and the trapezius muscles are most affected by unilateral damage (to the contralateral side). An intermediate paralytic effect, meaning significant weakness but not paralysis, is found in the tongue with a unilateral lesion because the mixture contains a greater.

The human tongue innervation involves the lingual nerve that is a branch of the mandibular division of the trigeminal nerve and the hypoglossal nerve (CN XII) . The hypoglossal nerve through the ansa cervicalis is in contact with the first three or four cervical nerves and receives presynaptic impulses from the phrenic nerve; it is linked to. The genioglossus muscle is one of the muscles in the mouth associated with the tongue. In this lesson, learn about the definition, innervation, and function of the genioglossus muscle The extrinsic muscles of the tongue Extrinsic muscles of the tongue. Genioglossus: arises from mandibular symphysis and inserts into the body of the hyoid/full length of tongue. It protrudes, depresses, and draws the tip of the tongue back and down. Innervation is from CNXII. Hyoglossus: arises from the hyoid and inserts into side of tongue Crossed motor innervation of the base of human tongue Leszek Kubin, 1 Amy S. Jordan, Christian L. Nicholas, 1 Jennifer M. Cori, John G. Semmler, 2 and John Trinder Motor innervation of tongue. Nerve innervation to tongue cranial nerve 57910 and 12. The glossopharyngeal nerve as noted above is a mixed nerve consisting of both sensory and motor nerve fibers. All of the intrinsic and extrinsic muscles are innervated by the hypoglossal nerve cn xii except palatoglossus which has vagal innervation cn x

Tongue - Wikipedi

  1. Innervation of the mucosa of the middle ear, mastoid, and eardrum Supply of the velum, including the palatine tonsils and posterior ⅓ of the tongue Taste and somatic perception (touch, pain, and temperature) of the posterior ⅓ of the tongue
  2. AOA! members. We are learning innervation of some muscles today! Glossal means pertaining to or near the tongue.. That's your starting point. All muscles ending in glossus are supplied by hypoglossus.Except palatoglossus. Why? Because palate! All musles of the palate are supplied by the..
  3. Fig. 5. A cross section of the tongue of a rat after bilateral superior cervical ganglion resections. No noradrenergic fibers can be found in the tongue (a). The successive tissue section was counterstained with 1% neutral red and observed under violet epifluorescence (b). E = Epithelium. Bar = 100 Im. - Sympathetic Innervation of the Tongue in Rat
  4. tongue [tung] a muscular organ on the floor of the mouth; it aids in chewing, swallowing, and speech, and is the location of organs of taste. The taste buds are located in the papillae, which are projections on the upper surface of the tongue. The condition of the tongue can sometimes be a guide to the general condition of the body. glossitis.
  5. A numb or tingling tongue can feel weird and be related to tongue swelling, itching, and weakness. Tongue numbness is most commonly caused by an allergic reaction from eating certain foods or chemicals, low calcium levels which is also known as hypocalcemia, a bacterial infection like Lymes disease, or a condition involving the nervous system. Read below for more causes and treatment options.
  6. Cell Tissue Res (1989) 258:425428 a n d T'tssue Resealv_h 9 Springer-Verlag 1989 Innervation of the arteriovenous anastomoses in the dog tongue T. Iijima, T. Kondo, K. Nishijima, and T. Tanaka Department of Oral Anatomy, Faculty of Dentistry, Kyushu University, Fukuoka, Japa
  7. Tingling of the tongue is most likely due to nerve damage at the level of the sensory receptors of the tongue, but can also involve other parts of the nervous system. The sensory receptors of the tongue that may be subjected to damage and generate abnormal sensations include: 1) Thermoreceptors. They are nerve endings that detect hot and cold.

The Tongue is a muscular organ in the oral cavity. It is the primary organ of taste in the Gustatory system and is also being involved in the acts of mastication, swallowing, and speech. There a few nerves that are involved in the innervation of the tongue Tongue's innervation is divided into three parts: anterior 2/3, XII) 4) Inferior longitudinal lingual muscle Origin: Runs from the tip of the tongue (apex) to the back of the tongue (root) Action: Bilateral contraction shortens the tongue and curls the tip and sides of the tongue downward Nerve supply: Innervation is by the hypoglossal nerve.

Cranial Nerve 7

Study B16 - Tongue, blood supply and innervation, development flashcards from Jorunn Nordrum's class online, or in Brainscape's iPhone or Android app. Learn faster with spaced repetition Fill in your details below or click an icon to log in: Email (required) (Address never made public). Name (required 16-ott-2018 - DomainMarket.com sells premium domain names to entrepreneurs, businesses, and nonprofits that want to dominate their online marketplaces and perpetually control great brands The lingual nerve is sometimes injured during the surgical removal of impacted third molar teeth and may require repair. Removal of the damaged section of nerve prior to repair leaves a gap between..

Tongue Development - Embryolog

The tongue which is located in the oral cavity and oropharynx is a mass of muscle that is almost completely covered by a thick mucous membrane. The primary function of the tongue is taste sensation, but it also assists with mastication, deglutition, articulation, and oral cleansing [6]. The complex innervation of this multifunctional organ i Balasubramanian et al (2017) suggested that the commonly used inferior alveolar nerve block (IANB) unnecessarily blocks all three branches of the inferior alveolar nerve when selective anesthesia of the tongue, floor of mouth and lingual mucoperiosteum is needed V 3 (mandibular) supplies sensory innervation to the mandibular region or the lower jaw and anterior to the ear, as well as somatic motor innervation to the muscles involved in chewing. The maxillary and mandibular branches of the trigeminal nerve are also responsible for supplying sensory innervation to the teeth 'Innervation of Tongue and Beyond - A Thorough Discussion' ' delivery is a sinewy hydrostat use to make fodder items for the serve well of chewing. dictated at the s hind enddalise of spills of virtually vertebrates, the patois has its speeding rise cover with papillae and enjoy buds

Tongue: Anatomy, muscles, neurovasculature and histology

The tongue's extrinsic muscles help it move in different directions, while the intrinsic muscles help it make movements such as curling. The extrinsic muscles controlled by the hypoglossal nerve are as follows: The genioglossus muscle helps move the tongue out of the mouth. The hyoglossus muscle moves the tongue down to flatten it sory innervation of the tongue pad and known to give off motor innervation on its way to the tongue. However, no larval or embryonic precursors of branchiomeric mus- cles have been observed in this region. Fur- ther, if the radii were derivatives of the hyoid arch, one would expect facial rather than. This nerve conveys information to the tongue and the mouth. Approximately two-thirds of the tongues tip is served by the CN7 facial nerve. This facial nerve extends from the pons and the medulla of the brain stem. The nerve innervates the facial muscles, controlling and producing facial expressions

Tongue: Anatomy, muscles, taste buds, gustatory pathway

Innervation of the anterior 2/3 of the tongue: sensory innervation of the mucosa is via the lingual branch of the trigeminal nerve taste innervation is via the chorda tympani branch of the facial nerve , except for the taste buds in any circumvallate papilla that may be present in the posteriormost part of the anterior 2/3 of the tongue. —Muscle fibers of the genioglossus (GG) form the bulk of the muscle mass at the base of the tongue. The motor control of the tongue is critical for vocalization, feeding, and breathing. Our goal was to assess the patterns of motor innervation of G

gustatory innervation of the tongue. Injections were made into the petrosal ganglion, which contains the cell bodies of glossopharyngeal nerve fibers that in- nervate the posterior tongue and taste buds in cir- cumvallate and foliate papillae. Adult male, Sprague-Dawley rats, weighing. General Epithelial Innervation of the oral cavity originate from cranial neural crest; innervation to the oropharynx; project to non-gustatory hindbrain regions (spinal trigeminal nucleus) (text based on: Embryonic origin of gustatory cranial sensory neurons.) Stage 22. Section through head showing tongue and head structures. Mous Department of Art as Applied to Medicine Johns Hopkins University, School of Medicine 1830 East Monument Street, Suite 7000 Baltimore, Maryland 2128 Innervation of Tongue and Beyond - A Thorough Discussion clapper is a delight in fitting hydrostat apply to bull victuals items for the bear on of chewing. locate at the ditch of utters of nearly vertebrates, the dialect has its hurrying bulge cover with papillae and savouring perception buds

The Oral Cavity - Divisions - Innervation - TeachMeAnatom

  1. The chorda tympani provides taste sensation from the anterior 2/3 tongue and also carries preganglionic parasympathetic nerve fibers that innervate the submandibular and sublingual salivary glands. The nerve fibers of the chorda tympani arise from 2 distinct nuclei in the pons
  2. Different tongue problems are likely to cause changes in taste. Also, there may occur changes in color and texture. Sometimes, the variations in the color and texture are also indicative of different diseases in other parts of the human body. Tongue Cancer: Tongue cancer is the most serious disorder that mostly affects people over 40
  3. The tongue is an important organ of the body, an organ that allows you chew, swallow, and talk. just below the lower jaw. In this lesson, learn about the definition, function, and innervation.
  4. The tongue is a muscular organ in the mouth. The tongue is covered with moist, pink tissue called mucosa. Tiny bumps called papillae give the tongue its rough texture. Thousands of taste buds.
  5. Animation that illustrates the origin and development of the tongue from portions of the pharyngeal arches and ocipital somites. Innervation of the tongue is also shown. Revised! Narrated .mp4 video : If you are interested in purchasing any of the animations on this page, please contact: Judy Stoffer, (443) 676-8883, inquiries@jStoffer.com.
  6. Provides motor innervation to the muscles of facial expression and stapedius, receives the special sense of taste from the anterior 2/3 of the tongue, and provides secretomotor innervation to the salivary glands (except parotid) and the lacrimal gland VIII: Vestibulocochlear nerve: Vestibular nuclei, Cochlear nucle

Video: Tongue - Anatomy & Physiology - WikiVet Englis

Gingiva (Gums) – Earth's Lab

Cranial Nerve Innervation of the Tongue - YouTub

The Innervation of the Tongue in the Indian Buffalo (Bubalus bubalis)* BY G. S. RAOand PREM PRAKASH With 2 jigures and one table (Received f o r publication August fi, 1 9 7 j ) I. Introduction The nerve supply to the tongue has been well documented in different animals. The data on the innervation pattern are available, among others, in the ox (MCLEOD, 1958; RAGHAVAN, 1964), horse (SISSON. Article. Sympathetic Innervation of the Tongue in Rats. February 2004; ORL 66(1):16-2 The posterior 1/3rd of the tongue receives both taste and sensory innervation from the glossopharyngeal nerve (CN IX). A small amount of sensory innervation at the base is from the internal branch of the superior laryngeal nerve, a branch of CN X. Motor innervation of the tongue arises nearly entirely from the hypoglossal nerve (CN XII) The optic nerve is also known as cranial nerve II. It transmits visual information from the retina to the brain. Each human optic nerve contains between 770,000 and 1.7 million nerve fibers. The eye's blind spot is a result of the absence of photoreceptors in the area of the retina where the optic nerve leaves the eye

Innervation to the Palate, Oral Cavity and Tongue - YouTub

Intrinsic and extrinsic muscles of the tongue Complete

Changes in sympathetic innervation of the tongue were examined 14 days after SCG ganglionectomy. In those animals after unilateral SCG ganglionectomy, we found no noradrenergic histofluorescence in the ipsilateral anterior 2/3 of the tongue, although some scant fluorescence was found in the ipsilateral posterior 1/3 of the tongue View This Abstract Online; The innervation of the tongue in the Indian buffalo (Bubalus bubalis). Zentralbl Veterinarmed C. 1976; 5(4):318-24 (ISSN: 0300-8649). Rao GS; Prakash The neurotrophin receptor p75 regulates gustatory axon branching and promotes innervation of the tongue during development. Item Preview >

Hypoglossal Nerve Stimulator Implantation (Selective UpperSwallowing Pocket Guide | Quick Reference | Muscles andCartoon Illustration Of Human Tongue Anatomy Stock Vector

The Tongue Muscles Innervation Vasculature It is highly mobile and can be shifted into a number of different positions and also assume various shapes. Anatomy of under the tongue. The outer structure of tongue tongue is divided. Each of the bumps from these causes above have more root causes that result for their formation Describe attachments, actions and nerve supply of muscles of tongue Describe the motor, general and special sensory innervation of tongue 4 Face Correlate the gross anatomy of face with anatomical basis of relevant clinical conditions. Outline the characteristic features of facial skin The extrinsic muscles of the larynx: laryngeal elevators and depressors LARYNGEAL ELEVATORS Also known as Suprahyoid muscles, muscles that attach to the thyroid with their origin located superiorly from the hyoid. Digastricus Anterior MUSCLE NAMEDIGASTRICUS ANTERIOR ORIGINInner surface of the mandible, near symphysisCOURSEMedial and inferiorINSERTIONHyoid, by means of. The four paired extrinsic muscles protrude, retract, depress, and elevate the tongue: Genioglossus. Hyoglossus. Styloglossus. Palatoglossus. Four paired intrinsic muscles of the tongue originate and insert within the tongue, running along its length. These muscles alter the shape of the tongue by: lengthening and shortening it, curling and. One study with cadavers emphasizes the importance of the medial branch of the lingual nerve and describes five patterns of innervation in ventral surface of the tongue: 1a (the medial branch of the lingual nerve in straight direction along a reference line on the styloglossus muscle), 1b (the medial branch of the lingual nerve in straight. By T. J. Dunn, Jr., DVM It's a radiator, a water-lapper, a healer of wounds, a food conveyor, a register of tastes, a texture sensor, and a wet equivalent of a dog's handshake. A dog's tongue has more responsibilities than any other part of the dog anatomy -- excluding the brain. And oddly enough, for all its duties and actions, it is one of the most maintenance free structures of all the dog.