Lab 4 - Axial Skeleton Skull

Spine

slender projection

Condyle

large knob or rounded surface

Ramus

armlike bar of bone

Fissure

cleft

Sinus

hollow space

Fossa

depression

Superciliary ridges

eyebrows

Mandibular fossa

forms temporomandibular joint (TMJ) with mandible

Styloid process

Mastoid process

Petrous portion

Carotid canal

Jugular foramen

posterior from carotid canal

Occipital condyles

Form joint with C1 vertebrae

External occipital protuberance

Body of sphenoid bone

Optic canals of sphenoid bone

Sella turcica

houses the pituitary gland

Lesser wings of sphenoid bone

Greater wings of the sphenoid bone

Ethmoid bone

Cribriform plate

Olfactory foramina

holes in the cribriform plate that the olfactory nerves pass through

Crista galli

Perpendicular plate

superior part of bony nasal septum

Body of mandible

Angle of mandible

Ramus of mandible

Mental foramen

Coronoid Process

Mandibular condyle

fits into mandibular fossa of temporal bone to form the TMJ

Palatine process

anterior part of hard palate

Anterior nasal spine

base of nose

Lacrimal bones

Lacrimal sulcus

Nasal bones

Vomer

inferior portion of bony nasal septum

Inferior Nasal Conchae

Palatine bones

Horizontal plate of Palatine Bone

posterior part of hard palate

Zygomatic bones

Hyoid bone

Frontal sinuses

Sphenoidal sinus

C

Ethmoid sinuses

Maxillary sinuses

D