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Anatomy And Phisiology > Skeletal System > Flashcards

Skeletal System Flashcards

Learn the skeletal system duh :v

1
Q

Functions of the bone?

A

Support & protect
Provide points of attachment
House blood producing cells
Store inorganic salts

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2
Q

Bones shapes

A

Long bone
Short bone
Flat bone
Irregular bone

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3
Q

Long bone

A

Long and narrow

Have an expanded end

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4
Q

Short bone

A

Cubelike

Sesamoid (round) bones

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5
Q

Flat bones

A

Platelike, with broad sufaces

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6
Q

Irregular bone

A

Variety of shapes

Don’t fit the other categories

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7
Q

Parts of the long bone

A

Epiphysis, diaphysis, metaphysis, articular cartilage, periosteum, medullary cavity, and bone marrow

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8
Q

Epiphysis

A

Expanded end

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9
Q

Diaphysis

A

Bone shaft

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10
Q

Metaphysis

A

Between epiphysis and diaphysis

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11
Q

Articular cartilage

A

Covers epiphysis

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12
Q

Periosteum

A

Encloses bone

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13
Q

Medullary cavity

A

Hollow chamber in diaphysis

Contains marrow

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14
Q

Bone marrow

A

Red or yellow marrow

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15
Q

Name of a mature bone cell

A

Osteocyte

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16
Q

Name of the chamber occupied by osteocytes

A

Lacunae

17
Q

Tiny passageway

A

Canaliculi

18
Q

Extracellular matrix

A

Fills the spcae between the cells

19
Q

Collagen fibers

A

Gves tensile strength to the bone, resillience

Inorganic salt make bone

20
Q

2 types of long bones

A

Compact and spongy bone

21
Q

Compact bone

A

Consists of units called osteons(unit of bone)
Weight-bearing
Resist compression

22
Q

Spongy bone

A

Consists of plates called trabeculae

Nutrients diffuse through canaliculi

23
Q

Compact bone part 2

A

Consist of osteons
Lamellae:layers of matrix around central canal
Osteocytes can pass nutrients through the canaliculi

24
Q

2 ways of bones to be formed

A 
Intramembranous bones(membrane)
Endochondral bones(cartilage)
25
Q

Intramembranous ossification

A

Flat skull, bones forming sheets, primitive connective tissue

26
Q

Endochondral ossification

A

Longbone, most of skeletin from hyaline cartilage models

27
Q

Intramembranous bones

A

Originate within sheetlike layers of connective tissue
Broad, flat bones
Ex. Skull, clavicles, and sternum

28
Q

Intramembranous ossification pt 2

A
  • Replacing connective tissue to form bone
  • Surface will form the periosteium
  • Inside will diposit compact bone on top of the Spongy bone

Anatomy And Phisiology (6 decks)

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