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Anterior Neck
Gross Quiz 1
| Question | Answer |
|---|---|
| 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
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