skeletal system

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cartilage cells die as calcium is deposited in cartilage, leaving behind holes.

3

osteoblasts secrete extracellular matric in the bones holey interior. Trapped osteoblasts become osteocytes.

4

the epiphyseal line replaces the epiphyseal plate

5

Large numbers of [osteocytes] are found in the inner periosteum layer.

false

when a bone forms from "pre dermal" tissue (i.e tissue that will become the dermis of the skin), the process is endochondral ossification

false

secrete extracellular matrix

fibroblasts

provides vitamin D, which is needed for calcium in the extracellular matrix

integumentary

increases bone strength and viability by pulling on bones

muscular

conveys the sense of pain in bone and joints

nervous

Located in the periosteum and endosteum

osteoclasts

located in lacunae

osteocytes

Important bone functions include:

protection of the brain, protection of the skin and limb musculature

the growth spurt of puberty is triggered by

sex hormones

in appositional growth, bone resorption occurs on the periosteal surface .

true

primary ossification centers appear in the epiphyses of a long bone

true

the long bones of a fetus ae constructed of hyaline cartilage

true

when trapped in lacunae, osteoblast change into osteocytes

true


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