Lecture 2

Question 1

HOW MANY BONES IN THE SKULL

Answer 1

22: 
14 FACIAL BONES
8 SKELETAL BONES*
*(2) TEMPORAL
(2) PARIETAL
OCCIPITAL
FRONTAL
ETHMOID
SPHENOID

Question 2

4 PORTIONS OF THE TEMPORAL BONE

Answer 2

SQUAMOSAL PORTION
PETROUS PORTION
MASTOID PORTION
TYMPANIC

Question 3

DEVELOPMENTAL DIVISIONS OF THE BRAIN

Answer 3

1. ) NEUROCRANIUM - VAULT AND SKULL BONES (8 MAIN BONES)
2. ) VISCEROCRANIUM - DERIVED FROM NEURAL CREST CELLS OF BRANCHIAL ARTERY (I.E. SCLEROTOME)
3. ) CHONDROCRANIUM - FORMED VIA ENDOCHONDRAL OSSIFICATION (FORMS INFERIOR PORTION OF SKULL BASE)

Question 4

PORTIONS OF THE MANDIBLE

Answer 4

1. ) BODY
2. ) ANGLE
3. ) RAMUS

Question 5

WORMIAN BONES

Answer 5

INTRASUTURAL BONES*

*HELP W/ CHILDBIRTH

Question 6

FORAMEN OVALE

Answer 6

ALLOWS PASSAGE OF THE MANDIBULAR BRANCH OF THE TRIGEMINAL NERVE

Question 7

FORAMEN ROTUNDUM

Answer 7

ALLOWS PASSAGE OF THE MAXILLARY BRANCH OF THE TRIGEMINAL NERVE