CH 6/7/8) Numbers and Bone Markings

126

bones in appendicular skeleton

80

bones in the axial skeleton

22

bones of the skull

8

facial bones

14

cranial bones

6

auditory ossicles

24

vertebrae

7

cervical vertebrae

12

thoracic vertebrae

5

lumbar vertebrae

24 (12 pairs)

ribs

pairs 1-7

true ribs

pairs 8-12

false ribs

pairs 11-12

floating ribs, no attachment to sternum

articulations

where two bones meet

head

prominent rounded surface

facet

flat surface

condyle

rounded surface

projections

raised markings

protuberance

projecting part or prominence

process

any bony prominence

spine

sharp process

tubercle

small, rounded process

tuberosity

rough surface

line

slight, elongated ridge

crest

ridge of bone

holes

holes and depressions

fossa

elongated basin, dip/depression

fovea

small pit

sulcus

groove

canal

passage in bone

fissure

slit through a bone

foramen

hole through a bone

meatus

opening into a canal, tunnel

sinus

air-filled space in bone

-reduces weight, resonates voice