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Stylohyoid muscle - Wikipedia, the free encyclopedia The Stylohyoid muscle is a slender muscle, lying in front of, and above the posterior belly of the digastric muscle. It is perforated, near its insertion, by the tendon of the digastric muscle. The Stylohyoideus (Stylohyoid muscle) is a slender muscle, lying in front of, and above the posterior belly of the Digastricus. en.wikipedia.org /wiki/Stylohyoid_muscle   (334 words)

CHAPTER 49: THE SUBMANDIBULAR REGION   (Site not responding. Last check: 2007-08-12) The tendon that connects the anterior and posterior bellies of the muscle is anchored to the hyoid bone, commonly passing through the stylohyoid muscle. The submandibular ganglion lies on the lateral surface of the hyoglossus muscle, medial to the mylohyoid muscle, superior to the submandibular duct and hypoglossal nerve, and inferior to the lingual nerve, from which it is suspended by several branches. The glossopharyngeal nerve, the stylohyoid ligament, and the lingual artery pass deep to the posterior border of the hyoglossus. www.dartmouth.edu /~humananatomy/part_8/chapter_49.html   (1068 words)

Hyoid bone - Wikipedia, the free encyclopedia The hyoid bone ("Lingual Bone") is a bone in the human neck, not articulated to any other bone; it is supported by the muscles of the neck and in turn supports the root of the tongue. The anterior surface gives insertion to the geniohyoid muscle in the greater part of its extent both above and below the transverse ridge; a portion of the origin of the hyoglossus notches the lateral margin of the geniohyoid attachment. The lesser cornua are situated in the line of the transverse ridge on the body and appear to be morphological continuations of it. en.wikipedia.org /wiki/Hyoid_bone   (680 words)

IV. Myology. 5c. The Supra- and Infrahyoid Muscles. Gray, Henry. 1918. Anatomy of the Human Body. The Sternohyoideus (Sternohyoid muscle) is a thin, narrow muscle, which arises from the posterior surface of the medial end of the clavicle, the posterior sternoclavicular ligament, and the upper and posterior part of the manubrium sterni. Below, this muscle is separated from its fellow by a considerable interval; but the two muscles come into contact with one another in the middle of their course, and from this upward, lie side by side. The central tendon of this muscle varies much in length and form, and is held in position by a process of the deep cervical fascia, which sheaths it, and is prolonged down to be attached to the clavicle and first rib; it is by this means that the angular form of the muscle is maintained. www.bartleby.com /107/112.html   (1384 words)

Neck muscles The deltoid muscle moves the humerus bone and is used to raise the arm outward from the side. The muscles run upward and come together in the middle of their course (both pieces of the muscle lie side by side), but do not actually touch and are inserted in the front of the hyoid bone. The rectus capitis muscles are small triangular muscles that extend from the cervical vertebrae and insert in the occipital bone at the base of the skull. www.american.edu /adonahue/m7neck.htm   (1499 words)

Physician Assistant Gross Anatomy Brachialis muscle — arises from the anterior surface of the humerus, from the entire surface of the medial intermuscular septum and from the anterior surface of the lateral intermuscular septum; inserts on the tuberosity of the ulna; supplied by the musculocutaneous nerve and the radial nerve Flexor hallucis longus muscle — arises from the posterior surface of the fibula Tibialis posterior muscle — arises from the posterior surface of the face of the tibia, from the medial surface of the fibula and the posterior surface of the interosseous membrane medinfo.ufl.edu /pa/anatomy/hitlist2.html   (9294 words)

The Barrow Quarterly Article 10-3-4 As the anterior belly of the digastric muscle is followed laterally, the digastric tendon splits around the stylohyoid muscle, which courses from the styloid process to the hyoid bone. More laterally, hugging the inferior aspect of the stylohyoid muscle, the twelfth nerve is identified as it passes under the stylohyoid muscle and the posterior belly of the digastric muscle. In the upper cervical spine, the longus capitis muscles supplant the longus coli as the deep anterior musculature of the spine. www.emergemd.com /bniq2/article.asp?article_ref_id=10-3-4   (3492 words)

[No title]   (Site not responding. Last check: 2007-08-12) Geniohyoid is a muscle that spans from the mental spines of the mandible to the body of the hyoid bone--it elevates the hyoid and depresses the mandible. Hyoglossus is a tongue muscle; it is innervated by the hypoglossal nerve (CN XII). The medial pterygoid muscle protracts and elevates the mandible; it inserts on the medial surface of the ramus and angle of the mandible. www-personal.umich.edu /~benwei/cgi-data/shared/linked/Oral(PQ).doc   (6332 words)

Eagle's Syndrome and the Trauma Patient - David B. Miller D.D.S. Derived from Reichert's cartilage are the styloid process, the stylohyoid ligament (formed in four segments), the lesser cornu of the hyoid bone and the superior portion of the hyoid corpus. The styloglossus and the stylohyoid muscles are innervated by branches of the seventh cranial (facial) nerve, the hypoglossal and the stylohyoid, respectively. The stylopharyngeus muscle is innervated by a branch of the ninth cranial (glossopharyngeal) nerve, the stylopharyngeal nerve. www.tmjfacialpain.com /pub4.htm   (2821 words)

Joan C. Edwards School of Medicine - Marshall University, Huntington, WV The anterior belly of the Digastric muscle and the Tensor tympani muscle are innervated by the Trigeminal nerve. The Orbicularis oculi muscle and the Stylohyoid muscle are innervated by the facial nerve. All muscles of the palate (except for Temsor Palati) are innervated by the vagus nerve. musom.marshall.edu /anatomy/grosshom/practice_quiz_head_neck_1.html   (343 words)

Glaossary of Terms Orthognathics   (Site not responding. Last check: 2007-08-12) The muscle that closes the mouth and is in principle muscle in mastication. Muscle in the temporal fossa the elevates the mandible. An inability to open the mouth due to muscle spasms, injury, a formation of scar tissues in the muscles of the jaws, or a bony union (ankylosis) in the temporomandibular joint - jaw joint. www.5starhealth.com /dentistry/orthognathic/glossary.htm   (4777 words)

Lab Manual - Infratemporal Fossa & Oral Cavity Examine the temporomandibular joint, remove the condyle of the mandible and lateral pterygoid muscle to expose the deep branches of the trigeminal nerve and chorda tympani. Clear the superficial layer of deep cervical fascia and expose the submandibular gland, the digastric muscle (its anterior and posterior bellies), the mylohyoid muscle and the stylohyoid muscle. Identify the extrinsic muscles of the tongue: genioglossus, hyoglossus, and styloglossus muscles. anatomy.med.umich.edu /nervous_system/infratemp.html   (1448 words)

[No title] The platysma muscle is a broad sheet of muscle arising from the fascia covering the upper parts of the pectoralis major and deltoid muscles and contained in the superficial cervical fascia; its fibers cross the clavicle, and proceed obliquely upwards and medially in the side of the neck. The intermediate tendon perforates the stylohyoid muscle and is held to the side of the body and the greater cornu of the hyoid bone by a fibrous loop. The plexus is crossed by the supraclavicular nerves, the nerve to the subclavius, the inferior belly of the omohyoid, the external jugular vein and the transverse cervical artery. www.utmb.edu /otoref/grnds/Neck-Dissection-020116/Neck-Dissection-020116.doc   (7337 words)

Prelab Images - Infratemporal Fossa & Oral Cavity The submandibular triangle is bounded by the anterior and posterior bellies of the digastric muscle and the mandible. Plate 42 (top) shows the attachment of the digastric muscle and stylohyoid muscle which both need to be cut from the hyoid bone and reflected laterally. The genioglossus, hyoglossus, and styloglossus muscles (extrinsic tongue muscles) are identified in plates 49, 55, 59, and 64. www.med.umich.edu /lrc/coursepages/M1/anatomy/html/nervous_system/infratemp_pre.html   (1238 words)

BNI Quarterly Comments The anterior belly of the digastric muscle is innervated by the trigeminal nerve (CN V), and the posterior belly is innervated by CN VII. The upper (infratemporal) head of the lateral pterygoid muscle arises from the infratemporal planum and spine of the greater wing of the sphenoid, and the lower head arises from the lateral pterygoid plate (Fig. This muscle inserts along the posterior and inferior portions of the medial aspect of the ramus and angle of the mandible. www.emergemd.com /bniq/article.asp?article_ref_id=15-4-1   (3010 words)

Lab Manual - Parotid Gland & Face Identify the posterior belly of the digastric muscle and the stylohyoid muscle. The muscles of facial expression are innervated by branches of the facial nerve (CN VII). As the facial muscles are exposed, trace the facial artery and vein past the lips and toward the medial angle of the eye. anatomy.med.umich.edu /head/face.html   (735 words)

Gross Anatomy: Block 2 Review All muscles of the palate are innervated by the vagus except tensor veli palatini by V3. All muscles of the tongue are innervated by the hypoglossus except palatoglossus by vagus. Incus interconnects malleus and stapes bones(receives stapedius muscle--smallest skeletal muscle in the body--with innervation from nerve to stapedius muscle (CN7)) student.ttuhsc.edu /medscbu/MyRock/gross2review.htm   (2945 words)

NERVE - LoveToKnow Article on NERVE   (Site not responding. Last check: 2007-08-12) Farther forward special branches are given ff to the thyro-hyoid and genio-hyoid muscles, and these, like the 3escenden~ hypoglossi, are derived from the first and second cervical oop, thus leaving all the true muscles of the tongue to be supplied by the medullary part of the nerve. The anterior tibial nerve is chiefly muscular, innervating the muscles in front of the tibia and fibula as well as the extensor brevis digitorum pedis on the dorsum of the foot, though it gives one small cutaneous branch to the cleft between the first and second toes. The inusculo cutaneous nerve supplies the peroneus longus and brevis muscles, and the rest of the skin of the dorsum, of the foot, and lower part of the leg, while the skin of the upper part of the dorsum of the leg, below the knee, is supplied by the external popliteal before its division. www.1911ency.org /N/NE/NERVE.htm   (4960 words)

Hemifacial Microsomia in Pediatric Patients: Asymmetric Abnormal Development of the First and Second Branchial Arches ... The muscles of mastication are derived from the muscle anlage Muscle anlage of first branchial arch gives rise to muscles required for mastication—temporal (T), masseter (M), medial and lateral pterygoids (P)—and to anterior belly of digastric muscle (ABD), tensor tympani muscle (TT), mylohyoid muscle (MH), and tensor muscle of velum palatinum. Muscle anlage of second branchial arch gives rise to muscles of facial expression including orbicular muscle of mouth (OM) and of eye (OE), nasal muscle (N), levator muscle of upper lip, greater and lesser zygomatic muscles, buccinator muscle (B), auricular muscles (A), and occipitofrontal muscle (OF). www.ajronline.org /cgi/content/full/178/6/1523   (2624 words)

Oral Pharyngeal Dysphagia   (Site not responding. Last check: 2007-08-12) The orbicularis oris is a circular-appearing muscle that extends posteriorly from the buccinator muscle, with upper and lower muscle fibers inserting into the upper and lower lip. Collectively, these muscles are responsible primarily for elevation of the larynx and tongue and anterior displacement of the cricoid, hyoid, larynx, trachea and tongue. In the case of a dysphagic patient, this muscle is impaired in its ability to maintain adequate width or duration of opening. www.bfe.org /protocol/pro06eng.htm   (2297 words)

Face and Pharynx Muscles of facial expression, stylohyoid muscle, stapedius muscle posterior belly of digastric muscle Muscles of soft palate (except tensor veli palatini) and muscles of pharynx (except stylopharyngeus), cricothyroid muscle, cricopharyngeus muscle, Intrinsic muscles of the larynx (except cricothyroid), upper (skeletal) muscles of esophagus www.med.umich.edu /lrc/coursepages/M1/embryology/embryo/09faceandpharynx.htm   (211 words)

UH head and neck Note that the subclavian vein passes anterior to the anterior scalene muscle, and that the apex of the parietal pleura is close to the vein. The stylohyoid is innervated by CN VII, the styloglossus is innervated by CN XII, and the stylopharyngeus is innervated by CN IX. Identify the lingual artery at the anterior and posterior edges of this muscle and note that the rest of the artery is hidden from view because it passes medial to the hyoglossus muscle. www2.hawaii.edu /~rosenhei/head.html   (11980 words)

Figures A: The styloid diaphragm encapsulates the posterior belly of the digastric muscle (PBDM) and stylohyoid muscle (SHM). The upper portions of the styloid muscles, which are joined at the styloid process, are encapsulated by the styloid diaphragm. A pyramid is formed by the styloglossus, stylopharyngeus, and stylohyoid muscles. www.medscape.com /content/2004/00/48/90/489074/489074_fig.html   (1096 words)

Larynx Part I - Text Only Page Also shown are parts of the sternal and clavicular portions of the pectoralis major muscle. The stylohyoid ligament appears much like a piece of half-cooked spaghetti.Here it courses in company of the stylohyoid muscle. Part of thyroarytenoid muscle and most of vocal ligament can be seen in relation to vocal process of arytenoid cartilage. zemlin.shs.uiuc.edu /LarynxPages/Text_Only_LarynxI.html   (748 words)

[No title] Identify the attachment of the anterior belly of the digastric muscle to the digastric fossa of the mandible and the attachment of the posterior belly of the digastric muscle to the medial aspect of the mastoid process of the temporal bone. Examine the fibrous sling which holds the intermediate tendon to the body of the hyoid bone. Identify the stylohyoid muscle spanning from the styloid process to the hyoid bone. www.med.uc.edu /haonline/head/labs/lab25/lab25_17.html   (117 words)

[No title]   (Site not responding. Last check: 2007-08-12) The extrinsic muscles of the larynx connect the framework to surrounding structures to position and stabilize the larynx. The purpose of these muscles are to elevate, depress, and stabilize the larynx. The intrinsic muscles allow for the cartilage structures to move in relationship to one another. mick.murraystate.edu /cdi624/fall97/anatomy.htm   (227 words)

Joan C. Edwards School of Medicine - Marshall University, Huntington, WV The stylohyoid muscle splits to surround the intermediate tendon of the digastric muscle. The thyrohyoid muscle is innervated by a branch of C1 that hitch-hikes via the hypoglossal nerve. The mylohyoid muscle acts to depress the floor of the mouth. musom.marshall.edu /anatomy/grosshom/practice_quiz_head_neck_2.html   (374 words)

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