Skeletal System Flashcards

1
Q

Main shaft of bone. Made mostly of compact bone

A

Diaphysis

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2
Q

Center of diaphysis. Hollow to decrease weight.

A

Medullary Canal

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3
Q

Membrane that lines the medullary canal

A

Endosteum

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4
Q

Responsible for bone resorption

A

Osteoclasts

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5
Q

Flared part at end of diaphysis. Supports epiphysis.

A

Metaphysis

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6
Q

Thin fibrous membrane covering all of the bone except articular surfaces

A

Periosteum

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7
Q

At ends of long bones. Where they receive pressure from opposing bones making up the joint

A

Pressure epiphysis

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8
Q

Very large prominence for muscle attachment

A

Trochanter

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9
Q

Where tendons attach to bones. Subject to pulling or traction forces

A

Traction Epiphysis

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10
Q

Area at end of long bone

A

Epiphysis

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11
Q

Flat or shallow articular surface

A

Facet

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12
Q

Canal or tubelike opening

A

Meatus

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13
Q

Large, rounded projection

A

Tuberosity

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14
Q

Small, rounded projection

A

Tubercle

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15
Q

Ditch like groove containing a tendon or blood vessel

A

Groove

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16
Q

Hollow or depression

A

Fossa

17
Q

Long, thin projection

A

Spine

18
Q

Hole through which blood vessels, nerves, and ligaments pass

A

Foramen

19
Q

Less prominent ridge

A

Line

20
Q

prominence above or on a condyle

A

Epicondyle

21
Q

Sharp ridge or border

A

Crest

22
Q

Rounded articular projection beyond a narrow neck like portion of bone

A

Head

23
Q

Projecting, prominent part of bone

A

Eminence

24
Q

Rounded knuckle like projection

A

Condyle

25
Q

Air filled cavity within a bone

A

Sinus

26
Q

Covers end of bones. Can’t repair itself. No blood supply. Gets nutrition from synovial fluid

A

Hyaline (Articular) cartilage

27
Q

Acts as shock absorber. Poor blood supply.

A

Fibrocartilage

28
Q

Similar to fibrocartilage but more flexible

A

Elastic cartilage