chapterr 6 Flashcards

1
Q

1.calcium homeostasis
2. hematopoesis (blood forming)

A

functions of bone in general (both compact and spongy)

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2
Q

functions of bone in general

A

1.fat storage (yellow bone marrow)
2. bone makes hormone

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3
Q

must be eaten and is relatively rare in food

A

calcium

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4
Q

food with calcium

A

dairy, almonds, dark leafy greens

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5
Q

osteoGENIC cells (divide to form)

A

bone origin (mitotically active)

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6
Q

osteoBLASTS (bone builders)

A

form/repair & bone matrix by process called calcification

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7
Q

osteoCYTES (bone cells)

A

“mature” bone cells that are “trapped” within the matrix

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8
Q

osteoCLASTS (bone destroyers)

A

actually WBC’s that completely change FXN (no immunity) destroy bone by process called RESORPTION

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9
Q

what is compact bone composed of

A

osteons

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10
Q

structural features of compact bone

A

structure, support, muscle attachment, movement

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11
Q

what is spongy bone composed of

A

trabeculae

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12
Q

structural component spongy bone

A

1.holds/protects/contains bone marrow
2. hematopoiesis

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13
Q

monitor parathyroid PTH. destroy bone faster than building bone, may result in osteoporosis

A

to LITTLE calcium

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14
Q

makes calcitonine, monitor thyroid. bone build faster than they destroy (children) adults excrete excess calcium in urine

A

to MUCH calcium

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15
Q

resorption

A

process of destroying bone.
done by: osteoclasts

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16
Q

calcifications

A

process of building bone.
done by: osteoblasts

17
Q

if the stimulas is UP

A

calcium hormone is up, and osteo clasts will slow down

18
Q

if the stimulas is DOWN

19
Q

kidney

A

signal to retain calcium

20
Q

intestine

A

signal intestine to absorb more calcium

21
Q

peristeal arteries

A

supply to periostream

22
Q

metaphyseal arteries

A

supply to metaphysis

23
Q

epiphyseal arteries

A

supply to epuphysis

24
Q

nutrient arteries

A

supply to diaphysis

25
Q

tendons

A

connect muscle to bone

26
Q

ligaments

A

connect bone to bone