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Anterior Cervical Triangle
Anterior Cervical Triangle
141
Anatomy
Graduate
11/17/2014

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Term
lateral border of anterior triangle
Definition
sternocleidomastoid mm
Term
medial border of anterior triangle
Definition
midline
Term
superior border of anterior triangle
Definition
inferior border of mandible
Term
roof of anterior triangle
Definition
investing fascia deep to platysma
Term
floor of anterior triangle
Definition
pretracheal fascia
Term
mandible has what two surfaces for mm attachment
Definition
mylohoid line, digastric fossa
Term
hyoid has what 3 surfaces for mm attachment
Definition
body, greater cornua, lesser cornua
Term
thyroid cartilage of what....
Definition
larynx
Term
thyroid cartilage features what
Definition
laryngeal prominence
Term
laryngeal promininece aka
Definition
adam's apple
Term
cricoid cartilage of...
Definition
larynx
Term
cricoid cartilage is at what spinal level
Definition
C6 vertebra
Term
4 subdivisions of anterior triangle
Definition
submental, submandibular, muscular, carotid
Term
submental subdivision of bounded by what
Definition
anterior bellies of digastric mm, hyoid bone
Term
floor of submental division
Definition
mylohyoid mm forms the floor
Term
submandibular subdivision is bounded by what
Definition
anterior and posterior bellies of digastric mm, inferior border of manidble
Term
submandibular division is contains what structure
Definition
submandibular salivary gland
Term
muscular subdivision is bounded by what
Definition
sternocleidomastoid mm, superior belly of omohyoid mm, midline, infrahyoid strap mm
Term
the thyroid gland is located deep to which subdivision
Definition
deep to mm of muscular subdivsion
Term
carotid subdivision is bounded by what
Definition
sternocleidomastoid mm, superior border of omohyoid mm, and posterior belly of digastric mm
Term
carotid subdivision contains what strcutres
Definition
carotid aa, vagus nn, internal jugular vv
Term
carotid aa, vagus nn, and internal jugular vv are all contained within _____ in the _____ subdivision
Definition
carotid sheath, carotid subdivision
Term
mm inferior to hyoid bone
Definition
infrahyoid mm
Term
4 infrahyoid mm
Definition
sternohyoid, omohyoid, sternothyroid, thyrohyoid
Term
infrahyoid mm collective action
Definition
depress hyoid following swallowing, stabilize hyoid bone
Term
sternohyoid origin
Definition
sternum
Term
sternohyoid insertion
Definition
hyoid
Term
sternohyoid innervation
Definition
ansa cervicalis nn
Term
ansa cervicalis nn spinal lvl
Definition
C1-C3
Term
omohyoid origin
Definition
scapular ligament and superior border of scapula
Term
omohyoid insertion
Definition
hyoid
Term
two bellies of teh omohyoid are joined by what
Definition
intertendon
Term
the two bellies of the omohyoid are joined by an intertendon passing through what
Definition
a sling
Term
the two bellies of the omohyoid pass through a sling from what
Definition
medial extremity of the clavicle
Term
omohyoid innervation
Definition
ansa cervicalis
Term
sternohyoid action
Definition
depress hyoid following swallowing, stabilize hyoid bone
Term
omohyoida ction
Definition
depress hyoid following swallowing, stabilize hyoid bone
Term
sternothyroid origin
Definition
sternum
Term
sternothyroid insertion
Definition
thyroid cartilage of larynx
Term
sternothyroid innervation
Definition
ansa cervicalis
Term
sternothyroid action
Definition
depress hyoid following swallowing, stabilize hyoid bone
Term
thyrohyoid innervation
Definition
nn to thyrohyoid
Term
nn to thyrohoid spinal lvl
Definition
C1
Term
thyrohyoid action
Definition
depress hyoid following swallowing, stabilize hyoid bone
Term
thyrohyoid origin
Definition
thryoid cartilage of larynx
Term
thyrohyoid insertion
Definition
hyoid bone
Term
mm superior to hyoid
Definition
suprahyoid mm
Term
4 suprahyoid mm
Definition
digastric, mylohyoid, stylohyoid, geniohyoid
Term
superahyoid mm connect the hyoid to what
Definition
skull
Term
digastric mm origin
Definition
mastoid process of temporal bone (posterior belly), digastric fossa of mandible (anterior belly)
Term
digastric mm insertion
Definition
intertendon passing through a sling from lesser cornu of hyoid
Term
digastric mm innervation anterior belly
Definition
mylohyoid nn of mandibular division of trigeminal nn
Term
CN V
Definition
trigeminial nerve
Term
trigeminal nerve is what cranial nerve
Definition
V
Term
digastric mm innervation posterior belly
Definition
branch of facial nn
Term
facial nn is which cranial nn
Definition
CN VII
Term
CN VII
Definition
facial nn
Term
digastric actions
Definition
depression (extension ) and retraction of mandible for chewing, elevation of hyoid for swallowing
Term
mylohyoid origin
Definition
mylohyoid line of mandible
Term
mylohoid insertion
Definition
hyoid bone and median raphe
Term
mylohyoid mm helps form part of what
Definition
floor of oral cavity
Term
mylohyoid mm innervation
Definition
mylohyoid nn
Term
mylohyoid nn comes from what
Definition
mandibular division of trigeminal nn, branch 3
Term
mylohyoid mm actions
Definition
elevation of hyoid & floor of oral cavity & tongue for swallowing, speech
Term
stylohyoid mm origin
Definition
styloid process of temporal bone
Term
stylohyoid mm insertion
Definition
hyoid bone
Term
which mm straddles intertendon of digastric
Definition
stylohyoid
Term
stylohyoid mm innervation
Definition
branch of the facial nn
Term
sylohyoid mm actions
Definition
elevation and retraction of hyoid
Term
geniohyoid origin
Definition
mandible
Term
geniohyoid insertion
Definition
body of hyoid
Term
geniohyoid innervation
Definition
C1 via CN XII
Term
CN XII
Definition
hypoglossal nerve
Term
hypoglossal nerve cranial #
Definition
CN XII
Term
geniohyoid action
Definition
pulls hyoid bone anterior and shortens floor of mouth
Term
the right and left lobes of the thyroid gland are united by what
Definition
isthmus
Term
isthmus that unites the lobes of thyroid gland is anterior to what
Definition
2-3rd tracheal cartilage
Term
thyroid gland is deep to what mm
Definition
sternothyroid and sternhyoid mm
Term
thyroid gland extends to what
Definition
6th tracheal cartilage and sdies of esophagus
Term
thyroid gland is surrounded by what
Definition
thyroid capsule and pretracheal fascia
Term
thyroid gland is attached to what
Definition
cricoid and thyroid cartilages
Term
thyroid gland is supplies by what arteries
Definition
superior and inferior thyroid arteries
Term
thyroid gland is supplied by what nerves
Definition
sympathetic nerves
Term
fibers of anterior primary rami of C1-C3 form a loop called what
Definition
ansa cervicalis
Term
ansa cervicalis is a union of what nerves
Definition
descends hypoglossi, descendens cervicalis
Term
descendens hypoglossi spinal lvl
Definition
C1-C2
Term
descendens cervicalis spinal lvl
Definition
C2-C3
Term
ansa cervicalis nn supplies what mm (3)
Definition
sternohyoid, sternothyroid, omohyoid
Term
motor nerve of tongue
Definition
hypoglossal nn (CN XII)
Term
hypoglossal nn exits the skulls via what
Definition
hypoglossal canal
Term
nn that attach to hypoglossal nn
Definition
descendens hypoglossi, nn to thyrohyoid
Term
cranial n XII has what nn attaching to it
Definition
descends hypoglossi, nn thyrohyoid
Term
spinal accessory nn, cranial nn __
Definition
XI
Term
CN XI
Definition
spinal accessory nn
Term
spinal accessory nn exits skulls by way of what
Definition
jugular foramen
Term
spinal accessory nn supplies what
Definition
trapezius, sternocleidomastoid
Term
CN X
Definition
vagus nn
Term
vagus nn, CN _
Definition
X
Term
major parasympathetic trunk of vagus nn is carried in what
Definition
carotid sheath
Term
vagus nn supplies what structure
Definition
larynx
Term
vagus nn supplies larynx via what nn
Definition
supeiror and recurrent laryngeal nn
Term
vagus nn exits skull via what
Definition
jugular foramen
Term
superior laryngeal nn divides into (2)
Definition
internal laryngeal, external laryngeal
Term
internal laryngeal nn supplies what
Definition
sensory to vocal folds and inferior pharynx
Term
external laryngeal supplies what
Definition
motor to cricothyroid and inferior constrictor
Term
cervical portion of teh sympathetic trunk has how many ganglia
Definition
3
Term
3 ganglia of the sympathetic trunk of the cervical portion
Definition
superior, middle, inferior
Term
inferior cervical sympathetric trunk ganglia fuses what to become the stellate ganglia
Definition
1st thoracic ganglia
Term
inferior sympathetic ganglia of the cervical portion of teh sympathetic trunk fuses with the 1st thoracic ganglia to become what
Definition
stellate ganglia
Term
stellate ganglia is anterior to what
Definition
C7 transverse process
Term
the cervical portion of the sympathetic trunk has 3 ganglia which are medial to what
Definition
vagus nerve
Term
drains the cranial cavity
Definition
internal jugular vv
Term
internal jugular vv drains cranial cavity via what
Definition
dural sinuses
Term
internal jugular vv desends through what
Definition
carotid sheath
Term
internal jugular vv joins what to form brachiocephalic vv
Definition
subclavian vv
Term
internal jugular vv joins subclavian vv to form what
Definition
brachiocephalic vv
Term
major supply to head from arch of aorta
Definition
common carotid artery
Term
left branch from arch of aorta
Definition
common carotid
Term
right branch from the arch of the aorta
Definition
brachiocephalic aa
Term
common carotid aa ascends what
Definition
carotid sheath
Term
common carotid artery branches at what
Definition
level of hyoid bone
Term
common carotid artery branches
Definition
internal carotid aa, external carotid aa
Term
swelling at terminal branching of common carotid aa
Definition
carotid sinus
Term
carotid sinus contains what
Definition
sensory organs
Term
carotid sinus contains sensory organs that do what
Definition
monitoring blood pressure
Term
internal carotid aa supplies what
Definition
cranial cavity
Term
circle of willis is supplied by what aa
Definition
internal carotid aa
Term
external carotid aa supplies what
Definition
superifcial structure of neck and head via several branches
Term
branches of the external cartoid aa (6)
Definition
superior thyroid aa, lingual aa, facial aaascending pharyngeal aa, occipital aa, posterior auricular aa
Term
superior thyroid aa travels with what
Definition
external laryngeal nn
Term
superior thyroid aa travels to what
Definition
larynx and thyroid gland
Term
superior thyroid aa branches into what
Definition
superior laryngeal aa
Term
superior laryngeal aa travels with what
Definition
internal laryngeal nn
Term
lingual aa supplies what
Definition
tongue
Term
facial aa supplies what
Definition
face
Term
facial aa branches into what
Definition
tonsillar aa
Term
facial aa travels through what
Definition
submandibular gland and over body of mandible
Term
relatively minor branch of the external carotid aa
Definition
ascending pharyngeal aa
Term
occipital aa passes how
Definition
posteriorly to scalp
Term
occipital aa supplies what
Definition
posterior scalp
Term
posterior auricular aa supplies what
Definition
skin behind the ear
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