Term
| superior border of the anterior triangle of the neck |
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Definition
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Term
| posterior border of the anterior triangle of the neck |
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Definition
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Term
| midline border of the anterior triangle of the neck |
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Definition
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Term
| inferior border of the anterior triangle of the neck |
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Definition
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Term
| 4 subdivisions of the anterior triangle of the neck |
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Definition
1) submental triangle
2) submandibular triangle
3) carotid triangle
4) muscular triangle |
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Term
| these 2 subdivisional triangles are found in the infrahyoid region |
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Definition
1) muscular triangle
2) carotid triangle |
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Term
| these 4 M.s are collectively known as the infrahyoid or "strap" M.s |
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Definition
(SOTS): M.s in group
1) sternohyoid M.
2) omohyoid M.
3) thyrohyoid M.
4) sternothyroid M. |
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Term
| the infrahyoid (strap) M.s are innervated by this N. |
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Definition
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Term
| M. of the infrahyoid group which runs from sternum (inferiorly) to hyoid bone (superiorly) |
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Definition
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Term
| M. of the infrahyoid group which runs from transverse scapular ligament (inferiorly) to hyoid bone (superiorly) |
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Definition
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Term
| M. of the infrahyoid group which runs from thyroid cartilage (inferiorly) to hyoid bone (superiorly) |
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Definition
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Term
| M. of the infrahyoid group which runs from sternum (inferiorly) to thyroid cartilage (superiorly) |
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Definition
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Term
| infrahyoid M.s group: action |
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Definition
| 1) *stabilize base of *tongue 2) moves *thyroid cartilage & *hyoid bone to accommodate swallowing and speaking |
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Term
| name the 5 structures located below the floor of the muscular triangle (can be surgically accessed from this region) & give their general function |
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Definition
1) thyroid gland (endocrine gland)
2) parathyroid glands (endocrine gland)
3) thyroid cartilage (protects larynx)
4) trachea (part of respiratory system)
5) esophagus (part of digestive system) |
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Term
| this *motor N. consists of ventral rami of cervical N.s C1-3 |
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Definition
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Term
| ansa cervicalis N. innervates these 4 M.s |
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Definition
SOTS-infrahyoid (strap) group: innervation
1) sternohyoid M.
2) omohyoid M.
3) thyrohyoid M.
4) sternothyroid M. |
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Term
| part of ventral rami of ___ curves anteriorly to run with hypoglossal N., then drops off to innervate thyrohyoid M. |
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Definition
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Term
| in general, all M.s with ___ in the name are innervated by ansa cervivalis N., EXCEPT for these 2 muscles |
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Definition
"hyoid"
1) stylohyoid M.
2) mylohyoid M. |
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Term
| Mylohyoid M.: innervation |
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Definition
| N. to mylohyoid (a branch of CN V (trigeminal N.)) |
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Term
| Stylohyoid M.: innervation |
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Definition
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Term
| this N. provides sensory innervation to larynx; is also a branch off of CN X (vagus N.) |
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Definition
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Term
| this N. provides motor innervation to cricothyroid M.; is also a branch off of CN X (vagus N.) |
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Definition
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Term
| this N. provides sensory innervation to larynx AND motor innervation to all intrinsic laryngeal M.s except the cricothyroid M.; is also a branch off of CN X (vagus N.) |
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Definition
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Term
| N. found in carotid sheath; provides autonomic (parasympathetic) innervation to thoracic organs; also provides sensory AND motor innervation to larynx |
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Definition
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Term
| N. which provides motor innervation to SCM M. & trapezius M. |
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Definition
| CN XI (spinal accessory N.) |
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Term
| N. which provides motor innervation to 3 of the 4 extrinsic tongue M.s |
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Definition
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Term
| this branch off common carotid A. does NOT give off any branches in the neck |
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Definition
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Term
| list 4 branches of the *external carotid A. |
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Definition
(SLOF)
1) superior thyroid A.
2) lingual A.
3) facial A.
4) occipital A. |
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Term
| superior thyroid A. branches off of ___ |
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Definition
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Term
| inferior thyroid A. branches off of ___ at the ___ trunk |
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Definition
| subclavian A.; thyrocervical |
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Term
| 3 structures enclosed in the carotid sheath |
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Definition
1) internal jugular V.(IJ)
2) common carotid A.
3) CN X (vagus N.) |
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Term
| these 2 subdivisional triangles are found in the suprahyoid region |
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Definition
1) submandibular triangle
2) submental triangle |
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Term
| M. which runs from mylohyoid line of mandible (superiorly) to hyoid bone (inferiorly) |
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Definition
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Term
| mylohyoid M.: innervation |
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Definition
| N. to mylohyoid (branch of CN V (trigeminal N.)) |
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Term
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Definition
1) elevates a) hyoid bone, b) floor of mouth, & c) tongue during swallowing
2) depressed mandible when hyoid bone is stablized
**this means it can work in opposite directions |
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Term
| anterior belly of this M. is attached to mental spine (genial tubercle) of mandible; posterior belly attaches to mastoid notch of temporal bone; intermediate tendon attaches to hyoid bone |
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Definition
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Term
| anterior belly of digastric M.: innervation |
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Definition
| N. to mylohyoid (branch of CN V (trigeminal N.)) |
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Term
| posterior belly of digastric M.: innervation |
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Definition
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Term
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Definition
*similar to geniohyoid M.
1) depresses mandible when *hyoid bone is *fixed
2) elevates hyoid bone when *mandible is *fixed during swallowing |
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Term
| this M. lies deep to mylohyoid M.; runs from mental spine (genial tubercle) of mandible to hyoid bone |
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Definition
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Term
| geniohyoid M.: innervation |
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Definition
| N. fibers from C1 which in part, hitch a ride on CN XII (hypoglossal N.) to get to geniohyoid M. |
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Term
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Definition
*similar to digastric M.'s anterior belly
1) depresses mandible when *hyoid bone is *fixed
2) elevates hyoid bone when *mandible is *fixed during swallowing |
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Term
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Definition
| elevates & retracts hyoid bone |
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Term
| this M. runs from styloid process of temporal bone to hyoid bone |
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Definition
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Term
| submental A. branches from this A. |
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Definition
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Term
| submental V. branches from this V. |
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Definition
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Term
| gland which has a major role in salivation |
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Definition
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Term
| submandibular gland: innervation |
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Definition
| autonomic innervation (parasympathetic) from CN VII (facial N.) |
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Term
| submandibular duct drains the submandibular gland by emptying into the mouth lateral to the ____ of the tongue in the ____ oral cavity |
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Definition
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