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Gen Ana Lecture > Part 5 - The Skeletal System 1 > Flashcards

Part 5 - The Skeletal System 1 Flashcards

1
Q

Associated with ligaments, tendons and cartilages

A

Skeletal sys

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2
Q

Function of skeletal sys

A 
1 support
2 protection
3 movement
4 mineral storage
5 hematopoiesis
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3
Q

Framework that supports the whole body and its soft organs

A

Support

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4
Q

Protection for delicate organs like heart, lungs and brain

A

Protection

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5
Q

Acts as a levers for muscles

A

Movement

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6
Q

Reservoir for mineral and adipose tissue

A

Mineral storage

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7
Q

Blood cell production

A

Hematopoiesis

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8
Q

Bone cells (3)

A

1 osteoblast
2 osteocytes
3 osteoclasts

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9
Q

Bone building cells, initiaties the process of calcification

A

Osteoblast

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10
Q

Found in periosteum and endosteum

A

Osteoblast

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11
Q

Preserves the mature bone cell

A

Osteocytes

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12
Q

Osteoblasts that have become trapped by the secretion of matrix

A

Osteocytes

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13
Q

No longer secretes matrix

A

Osteocyte

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14
Q

Responsible for maintaing bone tissue

A

Osteocyte

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15
Q

Huge cells derive from the fussion of as many monocytes

A

Osteoclast

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16
Q

How many monocytes fussed

A

50 monocytes

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17
Q

Cells that digest bone matrix

A

Osteoclast

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18
Q

It is concentrated in endosteum

A

Osteoclast

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19
Q

Outer covering

A

Periosteum

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20
Q

Inner covering

A

Endosteum

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21
Q

2 bone structure(divisions)

A

1 compact bone/cortical

2 spongy bone/cancellous

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22
Q

Dense, solid outer layer

A

Compact bone

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23
Q

Inner layer with trabeculae

A

Spongy bone

24
Q

Honeycomb of flat, needle like projections

A

Trabeculae

25
Q

Bone structure(parts)

A

1 haversian sys
2 lamela
3 lacunae
4 canaliculi

26
Q

Contains haversian canal

A

Haversian sys

27
Q

Matrix/ground substance of bone

A

Lamela

28
Q

Spaces in lamela

A

Lacunae

29
Q

Connects the lacunae

A

Canaliculi

30
Q

Long bone structure

A 
1 diaphysis
2 epiphysis
3 articular cartilage
4 periosteum
5 endosteum
31
Q

Shaft

A

Diaphysis

32
Q

Expanded ends

A

Epiphysis

33
Q

Hyaline cartilage that covers the surface of epiphysis to reduce friction during movement

A

Articular cartilage

34
Q

Double layered membrane

A

Periosteum

35
Q

Covers the external surface of the entire bone

A

Periosteum

36
Q

Covers the internal bone surfaces

A

Endosteum

37
Q

Structure of short, irregular and flat bones

A

1 periosteum
2 endosteum
3 bone marrow is between the trabeculae but no marrow cavity
4 whole arrangement resembles a stiffened sandwich

38
Q

Bone classifications 4

A

1 long bones
2 short bones
3 flat bones
4 irregular bones

39
Q

Much longer than they are wide

A

Long bones

40
Q

Roughly cube shaped

A

Short bones

41
Q

Example of short bones

A

Bones of wrist and ankle

42
Q

Thin, flattened and usually a bit curved

A

Flat bones

43
Q

Have weird shapes and fit none of the othee classes of bones

A

Irregular bones

44
Q

Formation of bone

A

Bone ossification

45
Q

Process of bone ossification 2

A

1 intramembranous ossification

2 endochondral ossification

46
Q

Direct mineralization

A

Intramembranous ossification

47
Q

Process that converts cartilage in embryonic skeletons into bones

A

Endochondral ossification

48
Q

Bone growth(increase in size, length and width)

A

1 appositional growth

2 endochondrial growth

49
Q

Formation of new bone on the surface of existing bone

A

Appositional growth

50
Q

Mechanism by which a long bone grows in length

A

Endochondrial growth

51
Q

Process in which bone is reformed

A

Bone remodeling

52
Q

Bone remodeling 2

A

1 bone deposit and removal

2 bone remodeling

53
Q

Occurs at periosteal and endosteal surfaces

A

Bone deposit and removal

54
Q

2 bone remodeling

A

1 bone deposition

2 bone reabsorption

55
Q

Accomplised by osteoblasts

A

Bone deposition

56
Q

Accomplished by osteoclasts

A

Bone reabsorption

57
Q

Composed of body’s bones

A

Skeletal sys

Gen Ana Lecture (6 decks)

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