Cross Sectional 1 and 2

What is the densest bone in your head?

temporal bone

• ear canal is protected here

14 facial bones

• maxilla (2)

• lacrimal (2)

• inferior nasal concha (2)

• mandible

• nasal (2)

• zygomatic (2)

• palatine (2)

• vomer

8 cranial bones

• frontal

• parietal (2)

• temporal (2)

• occipital

• sphenoid

• ethmoid

how many bones in facial bones

14

how many bones in skull

8

crista galli

• part of ethmoid

• attachment point for falx ceribri

how many bones make up orbit

7

What bones make up your orbits

• sphenoid

• frontal

• ethmoid

• lacrimal

• maxilla

• zygoma

• palatine

what makes up the TMJ

mandibular fossa on temporal bone and mandibular condyle

what makes up the paranasal sinus

ethmoid, sphenoid, frontal, maxillary

osteomeatal

drainage passage of paranasal sinus

structures of ear

• tympanic membrane

• auditory ossicles

• oval window

• cochlea

• semicircular canal

• internal acoustic meatus

• external acoustic meatus

auditory ossicles

• malleus

• incus

• stapes

4 rectus muscles

• superior

• inferior

• medial

• lateral

3 cranial fossa

anterior, middle, posterior

what bone is the clivus on

occipital

what bone is the orbital plate on

frontal

what bone is the carotid canal on

temporal

what bone is the foramen ovale on

sphenoid

what bone is the cribriform plate on

ethmoid

which cranial bones form the largest portion of the sides of the cranium?

parietal

which cranial bone contains the superior and middle nasal conchae?

ethmoid bone

the foramen rotunda is contained in which cranial bone?

sphenoid

the optic canal is separated form the superior orbital tissue by the __

optic strut

which cranial bone contains the hypoglossal canal?

occipital bone

which foramina is a jagged slit that allows the internal carotid artery to enter the cranium and is located between the apex of the petrous pyramid, body of the sphenoid bone, and basilar portion of the occipital bone?

foramen lacerum

the region surrounding the sphenoparietal suture where the parietal, sphenoid, temporal, and frontal bones meets is the ___

pterion

the anterior nasal spine is part of which facial bone?

maxillary

which part of the mandible contains the alveolar process?

body

which muscle is the strongest muscle of the jaw, arising from the zygomatic arch and inserting on the ramus and angle of the mandible?

masseter

rostral

toward the nose

thenar

the fleshy part of the hand at the base of the thumb

volar

pertaining to the palm of the hand or flexor surface of wrist

cubital

posterior surface of elbow area of the arm