Bone #s Flashcards
Stem cell whose divisions produce osteoblast
Osteogenic cells
Immature bone cells that secrete organic components of matrix
Osteoblast
Mature bone cells that maintain the bone matrix
Osteocyte
Multinucleate cell That secrete acids and enzymes to dissolve the Bone matrix
Osteoclast
How many bones are in the skull
8 Cranial bones
14 Facial bones
How many bones are in the axial skeleton
80
How many bones are associated with the skull
6 auditory ossicles
Hyoid bone
How many bones are in the thoracic cage
The sternum
24 ribs
How many bones are in the vertebral column
24 vertebrae the sacrum and coccyx
How many downstairs the skeletal system have
206
How many bones does the appendicular skeleton have
126
How many bones are in the pectoral girdle
4
2 clavicle
2 scapula
How many bones are in the upper limbs
60
How many metacarpals do we have
20 altogether
5 on each hand and foot
How many phalanges do we have
56 altogether
28 on the upper limbs
28 on the lower limbs
