BIO midterm bone structure/ function Flashcards

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1
Q

What are the components of the skeletal system?

A

bones of skeleton
cartilage
ligaments
CT

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2
Q

Bones are

A

primary organs of skeletal system
framework for body
run other functions

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3
Q

what are the types of bones?

A

compact and spongey bone

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4
Q

which bone is dense and has 80% of bone mass

A

compact bone

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5
Q

which bone gas cancellous bone and 20% bone mass

A

spongey bone

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6
Q

where is the spongey bone located

A

internal to compact bone

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7
Q

types of caritlage

A

hyaline cartilage
fibrocartilage

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8
Q

hyaline cartilage is attached to

A

attached to ribcage and sternum

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9
Q

bones main functions are??

A

support and protect
help movement

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10
Q

hematopoiesis

A

blood cell production and occurs within red bone marrow

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11
Q

the storage of minerals and energy reserve what?

A

calcium and phosphate

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12
Q

long bones are

A

proximal and distal to epiphysis, diaphysis, metaphysics,
compact (dense, concentric, lamellar) bone,
spongey (trabecular) bone,
medullary cavity,
red and yellow bone marrow,
lining the bone is: perisoteum, endosteum, articular cartilage, fibrous and synovial joint capsule.

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13
Q

what differ from long bones?

A

short flat and irregular bones

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14
Q

external surface is composed of

A

compact bone cover by periosteum

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15
Q

interior composed of

A

spongy bone

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16
Q

bone formation begins with

A

the secretion of osteoid

17
Q

calcification occurs and

A

deposition of hydrociapatites crystals occur

18
Q

bone process requires what vitamin

A

Vitamin D and C and

19
Q

bone resorption

A

bone destroyed by osteoclasts
proteolytic enzymes release within this
calcium and phosphate enter blood
occurs when calcium is low

20
Q

concentric lamellae

A

surrounds central canal

21
Q

osteocytes is

A

between concentric lamellar