Term
what are the structures contained in the carotid sheath? |
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Definition
carotid artery internal jugular vein vagus nerve |
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Term
the platysma passes superficial to the clvavicale and attaches where? |
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Definition
superficial fascia of the deltoid and pec region. |
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Term
what is the innervation of the platysma? |
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Definition
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Term
where does the external jugular vein begin? |
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Definition
posterior to the angle of the MANDIBLE and across the STERNOCLEIDOMASTOID muscle |
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Term
Does the external jugular vein pierce the deep cervical fascia? |
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Definition
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Term
external jugular vein drains into? |
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Definition
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Term
the skin of the neck is innervated by cutaneous nerves of what? |
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Definition
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Term
what innervates the scalp? |
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Definition
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Term
what is the pathway of the lesser occipital nerve? |
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Definition
pass along the posterior border of sternocleidomastoid muscle. |
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Term
what does the great auricular nerve innervate? |
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Definition
lower part of the ear and skin from angle of mandible to the mastoid process. |
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Term
what innervates the anterior triangle of the neck? |
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Definition
transverse cervical nerve |
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Term
what is the pathway for the supraclavicular nerves?` |
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Definition
they pass inferiorly to the region of the shoulder. |
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Term
the accessory nerve lies deep where? |
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Definition
investing layer of the deep cervical fascia |
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Term
these spinal nerves join the accessory nerve |
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Definition
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Term
how is the accessory nerve found? |
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Definition
posterior part of sternocleidomastoid muscle to anterior border of trapezius |
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Term
what does the accessory nerve innervate? |
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Definition
sternocleidomastoid muscle and trapezius muscle |
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Term
why is diaphragmatic pain referred to the shoulder? |
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Definition
supraclavicular and phrenic nerves both arise from c3-4. So pain is carried to shoulder region. |
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Term
where is the hyoid bone found? |
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Definition
angle b/t floor of mouth and superior end of neck. |
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Term
where is the thyrohyoid membrane? |
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Definition
stretches b/t thryoid cartilage and hyoid bone |
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Term
how is the external jugular vein formed? |
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Definition
by the joining of the retromandibular and posterior auricular vein |
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Term
what is the pathway of the anterior jugular vein? |
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Definition
passes deep to sternocleidomastoid muscle. |
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Term
the anter. jug. vein joins what other vein in the root of the neck |
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Definition
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Term
what are the contents of the muscular triangle? |
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Definition
sternohyoid, sternothyroid, thyrohyoid, and superior belly of omohyoid |
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Term
this muscle depresses the hyoid bone. |
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Definition
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Term
what is the action of the sternothyroid |
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Definition
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Term
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Definition
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Term
where is a tracheotomy made? |
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Definition
midline between infrahyoid muscles of neck |
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Term
what are the contents of the carotid triangle? |
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Definition
carotid arteries branches of ext. carotid artery hypoglossal nerve vagus |
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Term
this nerve passes through the jugular foramen |
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Definition
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Term
the facial vein empties into |
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Definition
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Term
where can the hypoglossal nerve be found? |
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Definition
superior to the tip of the greater horn of the hyoid bone. |
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Term
what is the origin of the nerve to the thyrohyoid muscle |
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Definition
hypoglossal nerve axons of C1 |
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Term
the hypoglossal nerver passes medial to what struc |
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Definition
posterior belly of digastric muscle |
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Term
where is the loop of the ansa cervicalis? |
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Definition
around the carotid sheath |
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Term
what does the internal branch of the superior laryngeal nerve supply |
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Definition
mucosa of the larynx with sensory fibers |
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Term
what innervates the cricothyroid muscle |
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Definition
external branch of superior laryngeal nerve |
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Term
this nerve innervates part of the inferior pharyngeal constrictor muscle |
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Definition
external branch of sup. laryngeal nerve |
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Term
what are the contents of the carotid sheath? |
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Definition
common carotid a internal carotid a internal jugular v vagus n |
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Term
where is the internal jugular vein in respect to the common carotid or internal carotid a? |
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Definition
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Term
where is the origin of the external carotid artery |
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Definition
level of the superior horn of the thryoid cartilage. |
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Term
what are the six branches off the external carotid artery? |
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Definition
ascending pharyngeal artery superior thyroid artery lingual artery facial artery occipital artery posterior auricular artery |
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Term
where can the ascending pharyngeal artery be found? |
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Definition
from the medial surface near the CAROTID bifurcation |
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Term
what is the branch off the superior thyroid artery |
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Definition
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Term
where does the lingual artery arise? |
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Definition
at the level of the greater horn of the hyoid bone. passing deeply into the tongue |
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Term
the facial artery arises superior to what artery? where does it course? |
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Definition
lingual artery. deep to the submandibular gland |
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Term
the occipital artery arises from which surface? |
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Definition
posterior surface. supplies scalp |
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Term
what is the carotid sinus innervated by |
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Definition
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Term
what does the carotid sinus detect |
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Definition
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Term
this monitors changes in oxygen and carbon dioxide concentration of the blood. |
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Definition
carotid body. also innervated by CN 9 |
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Term
where is the vagus nerve located? |
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Definition
posterior the vessels in the carotid sheath. also MEDIAL to the INTERNAL JUGULAR VEIN |
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Term
what are the contents of the submandibular triangle |
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Definition
facial a. and v. stylohyoid m. hypoglossal n. mylohyoid m. ant. belly of digastric m. |
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Term
what is the innervation of the ant. digastric muscl |
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Definition
mylohyoid n. (branch of V3-trigeminal) |
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Term
what is the innervation of the post. digastric |
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Definition
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Term
what is the actions of the digastric muscles |
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Definition
elevation of the hyoid bone and depression of the mandible |
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Term
what innervates the stylohyoid muscle |
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Definition
facial nerve. it ELEVATES the hyoid bone |
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Term
What is the relationship of the facial a. and v. and the submandibular gland? |
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Definition
facial v. superficial. facial a. deep to submandibular gland |
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Term
the infrahyoid muscles are innervated by? |
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Definition
cervical plexus innervated: ansa cervicalis |
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Term
What fascia is the sympathetic trunk located? |
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Definition
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Term
this artery supplies the brain. internal carotid a. or external? |
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Definition
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Term
relationship b/t hypoglossal n and occipital a. |
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Definition
hypoglossal n. crosses over. |
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Term
Where does the superior ramus of the ansa cervicalis come off? |
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Definition
anterior the internal carotid a. |
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Term
Where can the superior cardiac branch of vagus n. arise? |
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Definition
superiorly. passing behind the carotid sheath |
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Term
This cranial nerve can be found near the greater thyroid bone? |
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Definition
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Term
the ext. jugular v branches into? |
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Definition
suprascapular and transverse cervical v. |
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Term
Name the nerves in the posterior cervical triangle |
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Definition
Lesser occipital greater auricular transverse cervical supraclavicular n. accessory n. (MOTOR) |
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Term
Which artery is at risk in the post. cerv. |
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Definition
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Term
These vessels are located in the carotid triangle |
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Definition
carotid arteries br. of exter carotid a. |
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Term
Nerves at risk in carotid triangle |
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Definition
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Term
CN located in submandibular triangle |
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Definition
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Term
vessels in submandibular triangle |
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Definition
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