L12 - Bone Repair Physiology Flashcards

1
Q

what is healthy bone physiology a balance between
what controls this and what happens at each end of spectrum

how to classify different bone tructure
– what about:
macroscopic
microscopic

identify in picture

A
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2
Q

composition of bone

label poc
what are the main cell types

talk about each one
what else is bone
what is bone dominated by

A
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3
Q

lamellar bone
what is it made of , whats it clled pto fo list

labelllll

A
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4
Q

where do osteocytes come from

pto

A

osteoblasts – what becomes of them?

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5
Q

osteoclasts

function?
what are they like
what is their precurser what whats that lik

A
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6
Q

bone constituents

what is it made up of
properties

what are the acellular parts of it

A
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7
Q

what does the extracellular matrix contain (pto)– properties of that

what else

A

glycoasaminoglycans

what does it do and where is it abundant

also growth factors
—what do they do

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8
Q

how is bone remoddelled and where

what does bone form as and via what (name of processes)

what factors govern remodelling (2)

A
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9
Q

mechanical stress

what does this do
what detects it and what causes tis to happen

A
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10
Q

bisphosphonates

whats it for
give eg
what does it do

what is it like

A

alendronate

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11
Q

what drugs are ther for osteoporosis and what do they do (work)

pto

A

teriparatide

denosumab

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12
Q

what is osteopetrosis

genetics?
what is the molecular mechanism (why)

what happens and where

what are the symptoms

A
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13
Q

what are the phases of fracture healing – list

names

A

reactive phase
soft callus formation
hard callus formation
remodelling

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14
Q

explain phases of fracture healing –

reactive phase
soft callus formation
hard callus formation
remodelling

A
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15
Q

what hormones regulate calcium and

HOWWW

A

PTH
Vit D
Calcitonin

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16
Q

what are some causes of low calcium

A

loss —–
low intake —-
pt dys

17
Q

go into more detail for vit d and pth how do they work with calcium

A
18
Q

what does chronic hypocalcaemia result in

symp –

A
19
Q

what does acute hypocalcarmia result in

A

CAT

chvostek’s
trousseau
digeorge

20
Q

hypErcalcaemia – what are the signs and symptoms of this

A