L7: Structure of bone Flashcards

1
Q

what is the texture of the cortex of the bone?

A

dense and hard

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2
Q

meaning of cortex?

A

the outer surface

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3
Q

តើ trabeculae αž˜αžΆαž“αž•αŸ’αž‘αž»αž€αž’αŸ’αžœαžΈ?

A
  • αžαž½αžšαž†αŸ’αž’αžΉαž„β€‹ (bone marrow)
  • ស/αž’αžαž“αž·αž‡: Ca, P (inorganic elements)
  • αž€αŸ„αžŸαž·αž€αžΆαžˆαžΆαž˜β€‹ (blood cells)
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4
Q

តើ bone cancellous αž”αž„αŸ’αž€αž‘αžΎαž„αž–αžΈαž’αŸ’αžœαžΈ?

A

trabeculae αž‡αžΆαž…αŸ’αžšαžΎαž“

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5
Q

αžαžΎαž€αŸ„αžŸαž·αž€αžΆαžˆαžΆαž˜αž˜αžΆαž“αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αž”αŸ’αžšαž—αŸαž‘?

A
  • WBC (leukocyte): αž‡αžΆαž‘αžΆαž αžΆαž“αž€αžΆαžšαž–αžΆαžš
  • RBC (erythrocyte): αžŠαžΉαž€αž“αžΆαŸ†αž…αŸ†αžŽαžΈαž’αžΆαž αžΆαžšβ€‹ & O2 αž‘αŸ…αž€αžΆαž“αŸ‹αž€αŸ„αžŸαž·αž€αžΆαžŸαžšαžΈαžšαžΆαž„αŸ’αž‚
  • platelet
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6
Q

តើ RBC αžŠαŸ‚αž›αžŠαžΉαž€αž“αžΆαŸ† O2 αž αŸ…αžαžΆαž’αŸ’αžœαžΈ?

A

hemoglobin (250-280 αž›αžΆαž“)

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7
Q

αžαžΎαž€αž“αŸ’αž›αŸ‚αž„αžŠαŸ‚αž›αž•αŸ’αž‘αž»αž€αžαž½αžšαž†αŸ’αž’αžΉαž„αž αŸ…αžαžΆαž’αŸ’αžœαžΈ?

A

marrow cavity or medullary cavity

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8
Q

in normal adult, the marrow that is a storage for fat called?

A

yellow marrow

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9
Q

αžαžΎαž†αŸ’αž’αžΉαž„αž‚αŸ’αžšαž”αžŠαžŽαŸ’αžαž”αŸ‹αžŠαŸ„αž™αž’αŸ’αžœαžΈ?

A

αžŸαŸ†αž”αž€αž†αŸ’αž’αžΉαž„ (periosteum)

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10
Q

αžαžΎαžŸαŸ’αžšαž‘αžΆαž”αŸ‹αžαžΆαž„αž€αŸ’αž“αž»αž„αž“αŸƒαžŸαŸ†αž”αž€αž†αŸ’αž’αžΉαž„αž‡αžΆαž’αŸ’αžœαžΈ?

A

αžŸαžšαžΈαžšαžΆαž„αŸ’αž‚αžŸαž“αŸ’αž’αžΆαž“αž’αžΌαžš (looser connective tissue) αž“αž·αž„αž•αŸ’αž‘αž»αž€ fibroblasts

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11
Q

αžαžΎαž“αŸ…αž–αŸαž›αž–αŸαž‰αžœαŸαž™ fibroblasts αž’αžΆαž…αž’αŸ’αžœαžΎαž’αŸ’αžœαžΈαž”αžΆαž“?

A

αžœαžΆαž€αžΎαž“αž‘αžΎαž„αž‡αžΆαž›αŸ†αžŠαžΆαž”αŸ‹ αž“αž·αž„αž”αŸ’αžšαŸ‚αž”αŸ’αžšαž½αž›αž‘αŸ…αž‡αžΆ osteoblasts αžŠαžΎαž˜αŸ’αž”αžΈαžŸαžΆαž„αžŸαž„αŸ‹αž†αŸ’αž’αžΉαž„αžŠαŸ‚αž›αž”αžΆαž€αŸ‹αž‘αžΎαž„αžœαž·αž‰

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12
Q

តើ endosteum & periosteum αž…αžΌαž›αžšαž½αž˜αž“αŸ…αž–αŸαž›αžŽαžΆ?

A

αž…αžΌαž›αžšαž½αž˜αž•αŸ’αžŸαŸ‡αž•αŸ’αžŸαžΆ (healing) αž†αŸ’αž’αžΉαž„αžŠαŸ‚αž›αž”αžΆαž€αŸ‹

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13
Q

αžαžΎαžŸαŸ†αž”αž€αž†αŸ’αž’αžΉαž„αž˜αžΆαž“αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αžŸαŸ’αžšαž‘αžΆαž”αŸ‹?

A

2

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14
Q

αžαžΎαž€αŸ„αžŸαž·αž€αžΆαžˆαžΆαž˜αž…αŸ’αžšαžΎαž“ & αžαž·αž… αž˜αž½αž™αžŽαžΆαž›αžΌαžαž›αžΆαžŸαŸ‹αž›αŸ’αž’αž‡αžΆαž„?

A

αž€αŸ„αžŸαž·αž€αžΆαžˆαžΆαž˜αž…αŸ’αžšαžΎαž“

note: too much blood cells isn’t good either

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15
Q

αžαžΎαžŸαžšαžŸαŸƒαž–αž½αžš (tendon) & ligament (αžŸαžšαžŸαŸƒαžŸαž“αŸ’αž›αžΆαž€αŸ‹/αžŸαžšαžŸαŸƒαž…αŸ†αžŽαž„αžŸαž“αŸ’αž›αžΆαž€αŸ‹) αž…αŸαž‰αž˜αž€αž–αžΈαžŽαžΆ?

A

αžŸαŸ†αž”αž€αž†αŸ’αž’αžΉαž„

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16
Q

αž’αŸ’αžœαžΈαž‡αžΆ αžŸαžšαžŸαŸƒαž–αž½αžš?

A

αž‡αžΆαžŸαžšαžΈαžšαžΆαž„αŸ’αž‚αž—αŸ’αž‡αžΆαž”αŸ‹ αžŠαŸ‚αž›αž—αŸ’αž‡αžΆαž”αŸ‹αžŸαžΆαž…αŸ‹αžŠαž»αŸ†αž‘αŸ…αž†αŸ’αž’αžΉαž„

17
Q

αž’αŸ’αžœαžΈαž‡αžΆ αžŸαžšαžŸαŸƒαžŸαž“αŸ’αž›αžΆαž€αŸ‹/αžŸαžšαžŸαŸƒαž…αŸ†αžŽαž„αžŸαž“αŸ’αž›αžΆαž€αŸ‹?

A

αž‡αžΆαžŸαžšαžΈαžšαžΆαž„αŸ’αž‚αž—αŸ’αž‡αžΆαž”αŸ‹ αžŠαŸ‚αž›αž—αŸ’αž‡αžΆαž”αŸ‹αž†αŸ’αž’αžΉαž„αž‘αŸ…αž†αŸ’αž’αžΉαž„

18
Q

αžαžΎαž™αžΎαž„αž’αžΆαž…αž˜αžΎαž›αžƒαžΎαž‰αž€αŸ„αžŸαž·αž€αžΆαžŸαžΆαž…αŸ‹αžŠαž»αŸ† / αž€αŸ„αžŸαž·αž€αžΆαž†αŸ’αž’αžΉαž„αž‘αŸ?

A

αž‘αŸ αž›αž»αŸ‡αžαŸ’αžšαžΆαžαŸ‚αžœαžΆαž•αŸ’αžαž»αŸ†αž‚αŸ’αž“αžΆαžšαžΆαž”αŸ‹αžšαž™αž–αžΆαž“αŸ‹αž›αžΆαž“ αž¬αž’αžΆαž…αž˜αžΎαž›αžƒαžΎαž‰αžŠαŸ„αž™ microscope

19
Q

αžαžΎαž“αŸ…αž€αž“αŸ’αž›αŸ‚αž„αžŽαžΆαžŠαŸ‚αž›αž’αŸ’αžœαžΎαž²αŸ’αž™αž€αžΆαžšαž›αžΌαžαž›αžΆαžŸαŸ‹αžšαž”αžŸαŸ‹αž†αŸ’αž’αžΉαž„αž€αžΆαž“αŸ‹αžαŸ‚αž›αŸ’αž’?

A

αž€αž“αŸ’αž›αŸ‚αž„αžŽαžΆαžŠαŸ‚αž›αž˜αžΆαž“ fibrous connective tissue

20
Q

αžαžΎαž†αŸ’αž’αžΉαž„αž˜αžΆαž“αž•αŸ’αž‘αž»αž€αž’αŸ’αžœαžΈ αžŠαŸ‚αž›αž†αŸ’αž’αžΉαž„αžαŸ’αž…αžΈαž˜αž·αž“αž˜αžΆαž“?

A

αžŸαžšαžŸαŸƒαžˆαžΆαž˜ αžŠαŸ‚αž›αž’αŸ’αžœαžΎαž²αŸ’αž™αž€αžΆαžšαž›αžΌαžαž›αžΆαžŸαŸ‹αž›αŸ’αž’αž‡αžΆαž„αž†αŸ’αž’αžΉαž„αžαŸ’αž…αžΈ

21
Q

αžαžΎαžŸαžšαžΈαžšαžΆαž„αŸ’αž‚αž†αŸ’αž’αžΉαž„αž›αžΌαžαž›αžΆαžŸαŸ‹αžαžΆαž˜αž‚αž“αŸ’αž›αž„αž’αŸ’αžœαžΈ?

A

osteocyte

22
Q

haversian canal: αžαžΎαž›αŸ„αž€ haversian αžšαž€αžƒαžΎαž‰αž’αŸ’αžœαžΈαž“αŸ…αž€αŸ’αž“αž»αž„αž†αŸ’αž’αžΉαž„?

A

αžŸαžšαžŸαŸƒαžˆαžΆαž˜αž“αŸ…αž€αŸ’αž“αž»αž„αž†αŸ’αž’αžΉαž„ αžšαžαŸ‹αžαžΆαž˜αž”αžŽαŸ’αžαŸ„αž™αžαž½αžšαž†αŸ’αž’αžΉαž„

23
Q

αžαžΎαž›αŸ„αž€ volkmann αžšαž€αžƒαžΎαž‰αž’αŸ’αžœαžΈαž“αŸ…αž€αŸ’αž“αž»αž„αž†αŸ’αž’αžΉαž„?

A

αžŸαžšαžŸαŸƒαžŠαŸ‚αž›αž…αžΌαž›αž–αžΈαž€αŸ’αžšαŸ…αž‘αŸ…αž€αŸ’αž“αž»αž„

24
Q

nutrient canal αž‡αžΆαž’αŸ’αžœαžΈ?

A

αž€αž“αŸ’αž›αŸ‚αž„αžŠαŸ‚αž›αž“αžΆαŸ†αžŸαžšαžŸαŸƒαžˆαžΆαž˜αž…αžΌαž›αž‘αŸ…αž…αž·αž‰αŸ’αž…αžΉαž˜αž€αŸ„αžŸαž·αž€αžΆαž†αŸ’αž’αžΉαž„ αž αžΎαž™αž…αŸαž‰αž–αžΈαž€αŸ„αžŸαž·αž€αžΆαž†αŸ’αž’αžΉαž„αžαžΆαž˜αžšαž™:αžˆαžΆαž˜αžœαŸ‰αŸ‚αž“αž˜αž€αž‡αŸ†αž“αž½αžŸαž€αŸ„αžŸαž·αž€αžΆαžˆαžΆαž˜αžŠαŸ‚αž›αžŸαŸ’αž›αžΆαž”αŸ‹αž“αŸ…αž€αŸ’αž“αž»αž„αžŸαžšαžŸαŸƒαžˆαžΆαž˜