Unit 7 - Histology of Bone Flashcards

1
Q

Haversian canal

A

Central canal

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2
Q

Volkmann’s canal

A

Perforating canal

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3
Q

Lacunae

A

Osteocytes are inside

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4
Q

Periosteum (superficial)

A

Dense, irregular collagenous connection tissue; rich in blood vessels

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5
Q

Bone shapes

A

Long, short, flat, irregular

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6
Q

Long bone shape

A

Femur

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7
Q

Short bone

A

Carpals

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8
Q

Flat bone

A

Clavicle, ribs

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9
Q

Irregular

A

Vertebrae

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10
Q

Bone structures

A

Diaphysis, epiphysis, articular surface

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11
Q

Diaphysis

A

Shaft of long bone

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12
Q

Epiphysis

A

Ends of long bone

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13
Q

Articular surface

A

Cartilage

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14
Q

Red bone marrow

A

All bloods cells originate here

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15
Q

Yellow bone marrow

A

Adipose tissue/fat

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16
Q

Cortical/compact bone (second layer)

A

Hard, dense, deep to periosteum

17
Q

Spongy/Cancellous Bone (final layer)

A

Consists of lattice-work type structure

18
Q

Perforating/Sharpey’s Fibers

A

Anchor periosteum to cortical bone

19
Q

Chemical composition of bone

A

Calcium hydroxyapatite,

Collagen

20
Q

Osteocytes

A

Osteoblasts

Osteoclasts

21
Q

Osteoblasts

A

Build bone, take calcium, collagen & repair bone

22
Q

Osteoclasts

A

Bone breaks, oc gets rid of calcium, collagen & degrade/destroy & put in blood stream

23
Q

Collagen

A

Organic component of bone

24
Q

Calcium

A

Inorganic component of bone

25
Q

Lamellae

A

Concentric rings of bone matrix