Ch 7 The Axial Skeleton - Part 1

Foramen

Round or oval opening through a bone

Process

prominent projection on a bone

Condyle

Rounded process that usually articulates with another bone

Axial Skeleton

Portion of the skeletal system that consists of the skull, rib cage, and vertebral column

22

Number of bones in the skull

14

Number of facial Bones

8

Number of Cranial Bones

sagittal suture

joint between the two parietal bones

coronal suture

the suture between the parietal and frontal bones of the skull

squamous suture

joint between the parietal and temporal bones

lambdoid suture

joint between the parietal and occipital bones

temporal bone

The zygomatic process connects the zygomatic bone and the _______________________.

occipital bone

Bone that contains the foramen magnum

Maxillae

Except for the mandible, all facial bones articulate with the ________________________.

Scoliosis

abnormal lateral curvature of the spine

kyphosis

hunchback, exaggerated thoracic curvature

lordosis

abnormal anterior curvature of the lumbar spine (sway-back condition)

intervertebral discs

fibrocartilage pads that separate and cushion the vertebrae

atlas

the first cervical vertebra (C1)

axis

second cervical vertebra

12

Number of pairs of ribs total

7

Number of pairs of TRUE ribs

5

Number of pairs of FALSE ribs

2

Number of pairs of FLOATING ribs

costal cartilage

the cartilages that connect the sternum and the ends of the ribs

fontal bone

parietal bone

temporal bone

occipital bone

sphenoid bone

ethmoid bone

zygomatic bone

zygomatic process

vomer

mandible

External Acoustic Meatus

squamous suture

lambdoid suture

sagittal suture

coronal suture

lacrimal bone

mastoid process

foramen magnum

occipital condyles

palatine bone

maxillae

manubrium

body of sternum

xiphoid process

costal cartilage

true ribs

false ribs

floating ribs

cervical vertebrae

thoracic vertebrae

lumbar vertebrae

coccyx

Atlas

Axis