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AnatomyHonors > Chapter 5 : Skeletal System > Flashcards

Chapter 5 : Skeletal System Flashcards

0
Q

What are the two subdivision of the skeletal system?

A

Axial Skeleton & Appendicular Skeleton

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1
Q

What are the parts of the skeletal system?

A

Bones, Joint, Ligaments and Cartilages

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2
Q

What is the Axial Skeleton?

A

Skull, Spine, Ribs

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3
Q

What is the Appendicular Skeleton?

A

Shoulders, Arms, Hips, Legs

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4
Q

What are the Functions of bones?

A 
Protect, Support, Movement, Store, Blood
(P)lease
(S)end
(M)e
(S)ome
(B)oobs
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5
Q

What are the two basic types of bone tissue

A

Compact bone

Spongy bone

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6
Q

What are the classifications of bones?

A

Long bones
Short bones
Flat bones
Irregular bones

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7
Q

What are long bones?

A

Shaft w/ heads on the ends

Mostly compact bone

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8
Q

What are examples of Long bones?

A

Femur, Humerus

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9
Q

What are short bones?

A

Cube shaped

Mostly spongy bone

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10
Q

What are examples of short bones?

A

Carpals, Tarsals

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11
Q

What are flat bones?

A

Thin and curved
2 thin layers of compact
Inside layer of spongy

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12
Q

What are examples of flat bones?

A

Skull, ribs, sternum

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13
Q

What are irregular bones?

A

Irregular shaped

Don’t fit classification

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14
Q

What are examples of irregular bones?

A

Vertebrae, Hip

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15
Q

What is the Diaphysis?

A

Inside shaft

Composed of compact bone

16
Q

What is the epiphysis?

A

Inside ends of bones

Composed of spongy bone

17
Q

What is the periosteum?

A

Covers diaphysis

Fibrous connective tissue membrane

18
Q

What are the sharpey’s Fibers?

A

Secure periosteum to underlying bone

19
Q

What are arteries?

A

Supplies nutrients

20
Q

What is the articular cartilage?

A

Covers surfaces of epiphyses
Hyaline cartilage
Decreases friction on joints

21
Q

What is the Epiphyseal Plate?

A

Flat plate
Growing hyaline cartilage
(Children)

22
Q

What is the Epiphyseal line?

A

Growing stopped

Adults

23
Q

What is the Medullary cavity?

A

Shaft cavity
Yellow marrow ; fat (adults)
Red marrow;blood cell formation (infants)

24
Q

What are the surface feature of bones?

A

Site of attachment for muscles, tendons and ligaments

Nerve and blood vessel passages

25
Q

What are the categories of bone markings?

A

Projections or Processes - grow out of bone surface (point out)

Depressions or Cavities- Indentations(deep groove)

26
Q

What is the Osteon (Haversian system)?

A

A unit of bone

Contains central canal & matrix rings

27
Q

What is the central (Haversian) canal?

A

Opening in center of Osteon

Carries blood vessels and nerves

AnatomyHonors (12 decks)

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