Chapter 5: Skull bones, openings and markings Diagram | Quizlet

TERM

frontal bone

DEFINITION

forehead & superior portion of orbits

TERM

mandible

DEFINITION

jaw bone, strongest bone of the face with the only movable joint

TERM

maxillae

DEFINITION

anterior part of hard palate, upper jaw bone

TERM

nasal bone(s)

DEFINITION

bones that form bridge of nose

TERM

lacrimal bone(s)

DEFINITION

fingernail sized bones, contain grooves for tears

ethmoid bone

bone that forms the nasal cavity roof, medial orbit walls, contains the crista galli with the cribriform plate (which allows the passage of cranial nerve 1, the olfactory nerve), also contains the superior nasal conchae

palatine bone(s)

bone that makes the posterior portion of hard palate

vomer

bone that makes the median line of the nasal cavity

hyoid bone

bone found in the neck, does not articulate with any other bone, provides a movable base for the tongue and attachment for neck muscles for swallowing and speaking

zygomatic process

styloid process

mastoid process

external acoustic meatus

crista galli

cribriform plate

sella turcica

housing for the pituitary gland within the sphenoid bone

optic canal

canal through which cranial nerve 2 passes (optic nerve)

coronal suture

squamous suture

foramen magnum

A large opening at the base of the skull through which the brain connects to the spinal cord.

occipital condyle

Point of articulation between skull and first vertebra

sagittal suture

lambdoid suture

cranial bones

bones that surround and protect the brain

facial bones

bones that cradle the eyes and allow for facial expressions