11-11-11 Friday

Topography of head, neck, and face

Temporalis
Zygomatic arch - cheek bone
condyle of mandible
nasolabial fold
masseter
corner of mouth
sternocleidomastoid - SCM
trapezius
scalenes
clavicle
glabella
nasal ala
philtrum
base of the mandible
hyoid bone
thyroid cartilage
jugular notch

Anterior triangle: formed by SCM, base of mandible, and trachea. Contains: hyoid bone, thyroid gland, carotid artery, submandibular gland, and styloid process of te temoral bone.

Posterior triangle: formed by SCM, clavicle, and trpezius. Contains: brachial plexus and external jugular vein (plus other structures).

22 bones in skull: 8 cranial and 14 facial

8 cranial bones:
Ethmoid (can't access)
Frontal
Occiput
Parietal (2)
Sphenoid
Temporal (2)

between cranial bones are sutures


14 facial bones:
inferior nasal concha (2)
lacrimal (2)
mandible
maxilla (2)
nasal (2)
palatine (2)
vomer
zygomatic (2)