Term
| what is the anterior boundry of the anterior triangle of the neck |
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Definition
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|
Term
| what is the posterior boundry of the antrior triangle |
|
Definition
| anterior border of the sternocleidomastoid |
|
|
Term
| what is the superior boundry of the anteior triangle |
|
Definition
| inferior border of the body of the mandible |
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|
Term
| wha muscle groups are in the anterior triangle |
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Definition
| infrahyoid, suprahyoid, anterior vertebral |
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|
Term
| what are the infrahyoid muscles |
|
Definition
| sternohyoid, sternothydoid, thyrohyoid, omohyoid |
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|
Term
| describe the location of the sternohyoid relative to the omohyoid |
|
Definition
| superificial and medial to the superior belly of it |
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|
Term
| what is the origin of the sternohyoid |
|
Definition
| posterior surface of the manbrium of the sternum |
|
|
Term
| what is the insertion of the sternohyoid |
|
Definition
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|
Term
| what innervates the sternohyoid |
|
Definition
|
|
Term
| what is the action of the sternohyoid |
|
Definition
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|
Term
| where is the sternothyroid located relative to the sternohyoid |
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Definition
|
|
Term
| what is the origin of the sternothyroid |
|
Definition
| posterior surface of the manubrium of the sternum |
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|
Term
| what is the insertion of the sternothryoid |
|
Definition
| oblique line of the thryoid cardilage |
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|
Term
| what innervates the sternothyroid |
|
Definition
|
|
Term
| what is the action of the sternothryoid |
|
Definition
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|
Term
| where is the thyrohyoid located in relation to the sternothyroid |
|
Definition
| upward continuation of it |
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|
Term
| what is the origin of the thyrohyoid |
|
Definition
| oblique line of the thryoid cardilage |
|
|
Term
| what is the insertion of the thryohyoid |
|
Definition
| runs superior over the thyroid membrane, inserts into greater horn and body of hyoid |
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|
Term
| what innervates the thyrohyoid |
|
Definition
| C1 fibers via hypoglossal nerve |
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|
Term
| what is the action of the thyrohyoid |
|
Definition
| depress hyoid bond or elevate larynx |
|
|
Term
| what is the ansa cervicalis |
|
Definition
| nerve loop with fibers from ventral rami of C1-C3, has a upper and lower root |
|
|
Term
| what is the lower root of the ansa cervicalis made of |
|
Definition
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|
Term
| what is the path of the lower root of the ansa cervicalis |
|
Definition
| passes superficial to the internal juggular vein, joins upper root to form ansa |
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|
Term
| what is the upper root of the ansa cervicalis made of |
|
Definition
| appears to originate from the hypoglossal nerve but really has fibers from C1 that joined it for a bit |
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|
Term
| what does the ansa cervicalis supply |
|
Definition
| sternohypod, sternothyroid, omohyoid |
|
|
Term
| instead of joining the ansa cervicalis, some fibers continue with CN XII, what do they supply |
|
Definition
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|
Term
| what are the suprahyoid muscles |
|
Definition
| digastric, stylohyoid, mylohyoid, geniohyoid |
|
|
Term
| what are the parts of the digastric |
|
Definition
| posterior and anterior bellies connected by a intermediate tendon |
|
|
Term
| what is the origin and insertion of the posterior belly of the digastric |
|
Definition
| digastric notch on the mastoid medial to the mastoid process to the intermediate tendon |
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|
Term
| what does the intermediate tendon of the digastric attach to |
|
Definition
| pierces stylohyoid and runs in fibrous sling connected to body and greater horn of hyoid then becomes continous with anterior belly |
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|
Term
| what does the anterior belly of the digastric attach to |
|
Definition
| intermediate tendon to the digastric fossa of the mandible |
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|
Term
| what nerve supplies the posterior belly of the digastric |
|
Definition
|
|
Term
| what nerve supplies the anterior belly of the digastric |
|
Definition
| nerve to mylohyoid (branch of the inferior alveolar nerve from V3) |
|
|
Term
| what is the action of the digastric |
|
Definition
| depress mandible and elevate hyoid |
|
|
Term
| what is the origin of the stylohyoid |
|
Definition
|
|
Term
| what is the insertion of the stylohyoid |
|
Definition
| hyoid bone at junction of body and greater horn |
|
|
Term
| where is the stylohyoid located in relation to the digastric |
|
Definition
| it runs along the superior border of the posterior belly |
|
|
Term
| what pierces the stylohyoid, where |
|
Definition
| near its insertion by the intermediate tendon of the digastric |
|
|
Term
| what nerve supplies the stylohyoid |
|
Definition
|
|
Term
| what is the action of the stylohyoid |
|
Definition
| elevates the hyoid bone and draws it backwards |
|
|
Term
| where is the mylohyoid located in relation to the digastric |
|
Definition
| superior to the anterior belly |
|
|
Term
| what forms the floor of the oral cavity |
|
Definition
| the two mylohyoid muscles |
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|
Term
| what is the origin of the mylohyoid |
|
Definition
| mylohyoid line of the mandible |
|
|
Term
| what is the insertion of the myelohyoid |
|
Definition
| most posterior fibers attach to the body of the hyoid, the rest of the fibers terminate in the midline raphe extending from mandible to hyoid |
|
|
Term
| what nerve supplies that mylohyoid |
|
Definition
|
|
Term
| what is the action of the mylohyoid |
|
Definition
| elevates floor of mouth during swallowing, elevates hoid bone, depresses mandible |
|
|
Term
| where is the geniohyoid located in relation to the mylohyoid |
|
Definition
|
|
Term
| what is the origin of the geniohyoid |
|
Definition
|
|
Term
| what is the insertion of the geniohyoid |
|
Definition
| anteroir surface of the body of the hyoid |
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|
Term
| what innervates the geniohyoid |
|
Definition
| C1 fibers via hypoglossal nerve |
|
|
Term
| what is the action of the mylohyoid |
|
Definition
| elevate hyoid bone, draw it forward, depress mandible |
|
|
Term
| what are the anterior vertebral muscles |
|
Definition
| longus capitis, longus colli, rectus capitis anterior, rectus capitis lateralis |
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|
Term
| what is the origin of longus capitis |
|
Definition
| transverse process of C3-C6 |
|
|
Term
| what is the insertion of longus capitis |
|
Definition
| inferior surface of basilar part of occipital bone |
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|
Term
| what innervates longus capitis |
|
Definition
| branches from the ventral rami of C1-C3 |
|
|
Term
| what is the action of longus capitis |
|
Definition
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|
Term
| what are the parts of longus colli |
|
Definition
| inferior oblique, superior oblique, vertical |
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|
Term
| what is the origin and insertion of the inferior oblique of the longus colli |
|
Definition
| bodies of first 2-3 thoracic vertebra to transverse process of C5-C6 |
|
|
Term
| what is the origin and insertion of the superior oblique of the longus colli |
|
Definition
| extends from the transverse processes of C3-C5 to anterior tubercle of the atlas |
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|
Term
| what is the origin and insertion of the vertical part of the longus colli |
|
Definition
| bodies of upper 3 thoracic and lower 3 cervical vertebra to bodies of C2-C4 |
|
|
Term
| what nerve supplies the longus colli |
|
Definition
| branches of ventral remi of C2-C6 |
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|
Term
| what is the action of the longus colli |
|
Definition
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|
Term
| where is the rectus capitis anterior located in relation to the longus capitis |
|
Definition
| posterior to the upper part |
|
|
Term
| what is the origin of the rectus capitis anterior |
|
Definition
| anterior surface of the lateral mass of the atlas and root of its transverse process |
|
|
Term
| what is the insertion of the rectus capitis anterior |
|
Definition
| inferior surface of the basilar part of the occipital bone, immediatly anterior to the occipital condyle |
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|
Term
| what innervates the rectus capitis anterior |
|
Definition
| branches from liip between ventral rami of c1-C2 |
|
|
Term
| what is the action of the rectus capitis anterior |
|
Definition
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|
Term
| what is the origin of the rectus capitis lateralis |
|
Definition
| upper surface of the transverse process of the atlas |
|
|
Term
| what is the insertion of the rectus capitis lateralis |
|
Definition
| inferior surface of the jugular process of the occipital bone |
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|
Term
| what innervates the rectus capitis lateralis |
|
Definition
| branches from loop between ventral rami of C1-C2 |
|
|
Term
| what is the action of the rectus capitis lateralis |
|
Definition
| lateral flexion of the head to the same side of the contracting muscle |
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|
Term
| what are the subdivisions of the anterior triangle |
|
Definition
| submandibular (digastric) triangle, carotid triangle, muscular triangle, submental triangle |
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|
Term
| what is the anterior boundry of the submandibular triangle |
|
Definition
| anterior belly of the digastric |
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|
Term
| what is the posterior boundry of the submandibular triangle |
|
Definition
| posterior belly of the digastric and stylohyoid |
|
|
Term
| what is the superior boundry of the submandibular triangle |
|
Definition
| inferior border of the body of the mandible |
|
|
Term
| what forms the floor of the submandibular triangle |
|
Definition
|
|
Term
| what are the contents of the submandibular triangle |
|
Definition
| submandibular gland, facial vessels, submandibular lymph nodes, hypoglossal nerve, mylohyoid nerve and vessels |
|
|
Term
| what is the anterior and superior boundry of the carotid triangle |
|
Definition
| posterior belly of the digastric |
|
|
Term
| what is the anterior and inferior boundry of the carotid triangle |
|
Definition
| superior belly of the omohyoid |
|
|
Term
| what is the posterior boundry of the carotid triangle |
|
Definition
| anterior border of the sternonucleidomastoid |
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|
Term
| what are the arteries in the carotid triangle |
|
Definition
| common carotid, initial segment of external and internal carotid, some branches of the external carotid |
|
|
Term
| what are the veins in the carotid triangle |
|
Definition
| internal juggular, some of its tributaries |
|
|
Term
| what are the nerves in the carotid triangle |
|
Definition
| vagus, accessory, hypoglossal, ansa cervicalis, internal and external laryngeal |
|
|
Term
| what lymph nodes are in the carotid triangle |
|
Definition
|
|
Term
| what is the anterior boundry of the muscular triangle |
|
Definition
| anterior midline of the neck |
|
|
Term
| what is the posterior and superior boundry of the muscular triangle |
|
Definition
| superior belly of the omohyoid |
|
|
Term
| what is the posterior and inferior boundry of the muscular triangle |
|
Definition
| anterior border of the sternonucleidomastoid |
|
|
Term
| what are the contents of the muscular triangle |
|
Definition
| sternohyoid and sternothryoid muscles, viscera of the neck (thyroid and parathryoid glands, larynx, trachea) |
|
|
Term
| what is the lateral boundry of the submental triangle |
|
Definition
| anterior bellies of the digastric muscles |
|
|
Term
| what is the inferior boundry of the submental triangle |
|
Definition
|
|
Term
| what forms the floow of the submental triangle |
|
Definition
|
|
Term
| what are the contents of the submental triangle |
|
Definition
| submental lymph nodes, small veins that join to form anterior juggular veins |
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