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Chapter 6 flash cards
cards on chapter 6 stuff
15
Anatomy
Undergraduate 1
09/13/2012

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Term
Axial Skeleton
Definition
bones of skull, thorax, and vertebral column
Term
appendicular skeleton
Definition
bones of the limbs and girdles that attach them to the axial skeleton
Term
Flat bones
Definition
thin, roughly parallel surfacees
Term
Sutural bones (wormain bones)
Definition
irregular bones formed between cranial bones
Term
long bones
Definition
relatively long and slender
Term
irregular bones
Definition
complex shaped bones
Term
sesamoid bones
Definition
small, flat, and somewhat shaped like sesame seed
developed in tendons of knee, hands, and feet
Term
short bones
Definition
small and boxy bones
Term
epiphysis
Definition
consist largely of spongy bones (trabecular bones)
Term
Articular cartilage
Definition
covers porotions of epiphysis that form articularions
avascular and receives resources from synovial fluid
Term
Osteocytes
Definition
mature bone cells taht cannot divide
most numerous bone cell type
Term
osteoblasts
Definition
produce new bony matrix
become osteocytes once surrounded by bony matrix
Term
osteoprogenitor cells
Definition
stem cells that produce cells that differentiate into osteoblasts
important in fracture repair
Term
osteoclasts
Definition
remove and remodel bone matrix
giant cells with 50+ nuclei
release acids and proteolytic enzymes to dissoluble matrix and release stored minerals
Term
Acromegaly
Definition
growth horomone levels rise after epiphyseal plates close
bones get thicker
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