chapter 7: axial skeleton

which bone has an opening for the spinal cord?

Occipital bone

what structures create the nasal septum dividing the nasal cavity into right and left portions?

ethmoid bone and vomer

Form the eye socket

• Frontal bone

• Sphenoid bone

• Ethmoid bone

• Zygomatic bone

• Maxilla,

• Lacrimal bone

• Palatine bone

forms the prominence of the cheek

zygomatic bone and temporal

Forms the inferior Nasal septum

vomer

forms from the fusion of 5 bones

sacrum

forms from the fusion of 4 bones

coccyx

all articulate with the ribs

thoracic vertebrae

what gender differences exist in the spinal column and why?

The women’s sacrum is shorter, wider and more curved than male.

The women’s coccyx’s points inferiorly while male’s points anteriorly.

Women have curved lumbar to help with pregnancy.

cervical curvature

• develope when baby can lift its head

• secondary

• present at birth

primary curves

• present at birth

• convex

thoracic curvature

primary, present at birth

lumbar curvature

• secondary

• forms when baby starts to walk

sacral curvature

• primary

• present at birth

what bone is labeled by #1

inferior nasal concha

what bone is labeled by number two?

ethmoid bone

what bone is labeled by #3

vomer

what bone is number #1

frontal bone

what bone is number 2

ethmoid bone

what bone is number 3

sphenoid bone

what bone is labled by #4

occipital bone

what is the name for the soft spots on a baby head?

fontanelle