BI151 | EXAM 3 - UNIT 7: AXIAL SKELETON, CRANIAL BONES

Describe function of cranial bones

surrounds and protects the brain

Which cranial bone forms the forehead, roofs of orbit, and most of anterior cranial floor?

frontal bone

Which cranial bone forms the greater portion of sides and roof of cranial activity?

parietal bone

Which cranial bone forms the inferior lateral aspects of cranium and parts of cranial floor?

temporal bone

What forms the posterior part of zygomatic arch?

zygomatic process

What serves as the attachment for sternocleidomastoid muscle?

mastoid process

What carries the sound to the eardrum (tympanic membrane)?

external auditory meatus

What serves as the attachment for muscles and ligaments of tongue and neck?

styloid process

What forms the posterior part and most of base of cranium?

occipital bone

Which bone surrounds the connection between the brain and the spinal cord?

foramen magnum

What forms the joints between skull and first cervical vertebrae?

occipital condyles

What forms the middle part of base of skull?

sphenoid bone

What is the name of the depression in the sphenoid bone that houses the pituitary gland?

sella turcica

What is a major superior supporting structure of the nasal cavity?

ethmoid bone

Which structure forms the superior portion of nasal septum?

perpendicular plate

What is the function of the superior and middle nasal conchae?

helps warm, moisten, and filter inhaled air

What is the function of the cribriform plate?

permits passage of olfactory nerves