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Gross Anatomy Test 4-Head and Neck

Terms in this set (28)

Vertebral artery
Thyrocervical trunk
Inferior thyroid artery
Superior cervical artery
Suprascapular artery
Costocervical trunk
Supreme intercostal artery
Deep cervical artery
branches of the subclavian artery:
-Submental Lymph Nodes
-mylohyoid muscle
contents of submental triangle:
anterior digastric
hyoid bone
borders of submental triangle:
submandibular lymph nodes
submandibular gland
mylohyoid muscle
hypoglossal nerve (CN XII)
contents of submandibular triangle:
anterior and posterior digastrics
mandible
borders of submandibular triangle:
strap muscles
pharynx
larynx
trachea
esophagus
recurrent laryngeal nerve
thyroid gland
parathyroid gland
anterior jugular vein
vertebral column
CN V, VI, VII (vagus, spinal accessory, hypoglossal)
contents of muscular triangle:
superior omohyoid
sternocleidomastoid
neck midline
borders of muscular triangle:
carotid arteries (common, internal, external)
internal jugular vein
cranial nerves X, XI, XII
thyrohyoid muscle
transverse cervical nerves
contents of carotid triangle:
posterior digastric
superior omohyoid
sternocleidomastoid
borders of carotid triangle:
digastric
stylohyoid
mylohyoid
(elevates hyoid with geniohyoid and hypoglossus)
muscles of suprahyoid:
(depress larynx):
sternothyroid

(elevate larynx):
thyrohyoid

(depress hyoid):
sternohyroid
thyrohyoid
omohyoid
muscles of infrahyoid:
a. Retromandibular vein
i. Formed by:
1. Superficial temporal vein
2. Maxillary vein
ii. Anterior branch + facial vein -> common facial vein
iii. Posterior branch + posterior auricular vein -> external jugular vein

b. External jugular vein
i. Receives:
1. Suprascapular vein
2. Transverse cervical vein
3. Anterior jugular vein

c. Internal jugular vein
i. Ends in brachiocephalic vein
ii. Receives:

1. Inferior petrosal sinus in jugular foramen
2. Facial vein
3. Lingual vein
Superior and middle thyroid veins
venous drainage of head and neck:
lesser occipital (C2): ascends along posterior border of SCM and behind auricle to scalp

transverse cervical (C2-C3): wraps around posterior border of SCM and innervates skin of anterior cervical triangle

supraclavicular (C3-C4): emerges as common trunk from under SCM; divides into anterior, middle, and lateral branches to skin over clavicle and shoulder
great auricular

great auricular nerve (C2-C3): ascends on SCM to skin behind auricle and on parotid gland

nerves from spinal accessory n. (proprioception C2-C4)
cutaneous branches of nerves of cervical plexus:
C2): ascends along posterior border of SCM and behind auricle to scalp
location of lesser occipital nerve:
(C2-C3): wraps around posterior border of SCM and innervates skin of anterior cervical triangle
location of transverse cervical nerve:
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