Anatomy-skeletal System Flashcards
(51 cards)
Mature bone cells
Osteocytes
Bone forming cells
Osteoblasts
Process by which cartilage is replaced by bone
Ossification
T or F articular cartilage and epiphyseal plates undergo ossification
False
Allows more growth of long bones until puberty
Epiphyseal plates
Includes the cranium, vertebrae column and the bony thorax
The axial skeleton
Forehead
Frontal bone
Superior and lateral wall of the cranium
Parietal bones
Temples
Temporal bones
Base of the skull
Occipital bone
Butterfly shaped bone the forms the width of the skull
Sephanoid bone
Irregular bone forming the roof of the nasal cavity and the sides of the orbits
Ethmoid bone
Upper jaw
Maxillary
Forms the posterior part of the hard pallete
Pallentine
Cheek bones
Zygomatic
Forms the medial walls of each orbit (tear ducts)
Lacrimal
Bridge of bones
Nasal
Forms the nasal cavity
Vomer
Lower jaw
Mandible
Floating bone.
Hyoid
What are the divisions of the vertebrae column and how many bones are in each
Cervical-7
Thorasic-12
Lumbar-5
5 fused vertebrae forming the posterior walls of the pelvis
Sacrum
3-5 fused vertebrae forming the tailbone
Coccyx
Consists of sternum, ribs and thorasic vertebrae
Bony thorax