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Anterior Neck

Gross Quiz 1

Infrahyoid muscles sternohyoid, sternothyoid, omohyoid
Sternohyoid origin within the thorax behind the manubrium
Sternohyoid insertion hyoid bone
sternohyoid innervation ansa vervicalis (C1, 2, 3)
Sternothyroid origins manubrium
Sternothyroid insertion thyroid cartilage
Thyrohyoid origin thyroid cartilage
Thyrohyoid insertion hyoid bone
Sternothyroid innervation ansa cervicalis
Thyrohyoid innervation hypoglossal nerve
Omohyoid origin near the suprascapular notch
Omohyoid insertion hyoid bone
Two bellies of the omohyoid inferior belly, and superior belly
Omohyoid innervation ansa cervicalis
Suprahyoid muscles Digastric, stylohyoid, mylohyoid, geniohyoid
Origin of posterior belly of the digastric muscle. Mastoid bone
Innervation of posterior belly of the digastric muscle. nerve to the mylohyoid off the inferior alveolar nerve.
insertion of the anterior belly of the digastric muscle the internal surface of the mandible
innervation of the anterior belly of the digastric muscle nerve to the mylohyoid off the inferior alveolar nerve
Action of the digastric muscle Raise the hyoid bone and assist in opening the jaws
Origin of stylohyoid muscle styloid process
insertion of the stylohyoid muscle body of the hyoid bone
Action of the stylohyoid muscle draws the hyoid bone posteriorly and superiorly
Innervation of the stylohyoid muscle Branch of the facial nerve (CN VII)
Forms the floor of the mouth Mylohyoid muscle
Mylohyoid origin mylohyoid line of the mandible
Insertion of mylohyoid the hyoid bone
innervation of mylohyoid bone nerve to the mylohyoid (CN V)
Insertion of geniohyoid muscle the hyoid bone
Action of the geniohyoid muscle draws the hyoid bone and tongue forward
innervation of the geniohyoid muscle branch of C1 via the hypoglossal nerve
Base of the anterior triangle Lower margin of the mandible
Anterior border of anterior triangle midline of the neck
Posterior border of the anterior triangle SCM
Divisions of the anterior triangle Digastric or submandibular triangle, carotid triangle, muscular triangle, submental triangle.
Boundaries of the digastric triangle two bellies of the digastric muscle, lower border of the mandible.
Boundaries of the carotid triangle posterior belly of the digastric muscle, superior belly of the omohyoid muscle, anterior margin of the SCM.
Location of submandibular gland submadibular triangle
Submandibular duct (Wharton's duct) opens under the toungue through an opening of a small papilla, the sublingual caruncle.
Facial Artery Branch of external carodtid artery, arises in the carotid triangle.
lingual artery passes deep to the hyoglossus muscle
lingual nerve passes betwee the mylohyoid and hyoglossus muscles.
muscles to which the mylohyoid nerve sends branches to mylohyoid and anterior belly of digastric muscle.
Location of common carotid artery In carotid sheath
Structures that run in carotid sheath common carotid artery, internal jugular vein, and vagus nerve (CN X)
Location where common carotid artery splits into internal and external carotid arteries. the level of the upper border of the thyroid cartilage.
function of the carotid sinus sense blood pressure via glossopharyngeal nerve
function of carotid body has chemoreceptors for oxygen leves in blood, and transmitts this information to the medulla via the glossopharyngeal and vagus nerve.
Branches of the superior thyroid artery superior laryngeal artery, lingual artery, facial artery, ascending pharyngeal artery, occipital artery, posterior auricular artery.
veins of the upper neck posterior auricular vein, retromandibular vein, facial vein, external jugular vein, internal jugular vein
Lymphs in the head and neck Facial nodes, submental, submandibular occipital
Cranial nerve V Trigeminal
Cranial nerve VII facial nerve
Cranial nerve IX Glossopharyngeal nerve
Cranial Nerve X Vagus nerve
Cranial nerve XI Accessory nerve
Cranial nerve XII Hypoglossal nerve
Shape of thyroid gland Like an "H"
3 parts of the thyroid gland Two lateral lobes, isthmus and pyramidal lobe
Blood supply to thyroid gland Superior thyroid arter, inferiot thyroid artery
Parathyroid glands two superior and inferior on the dorsal side of the thyroid gland
Created by: eane220