skeletal system--- types of bones Flashcards

1
Q

how are bones classified

A

by shape —

long bones

short bones

flat bones

irregular bones

sesamoid bones

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2
Q

what is the longest section of long bones

A

bone shaft or diaphysis

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3
Q

what are the ends of long bones called

A

epiphyses

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4
Q

what are the major bones of the upper and lower arms and legs

A

femur
radius
ulna
tibia
fibula

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5
Q

the femur, radius, ulna, tibia, and fibula are classified as what type of bone

A

long bone

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6
Q

the phalanges (finger and toe bones) and the clavicles (collar bones) are classified as what type of bone

A

long bone

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7
Q

more long bones have what type of cavities

A

medullary cavities

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8
Q

what are long bones a major site of

A

eythropoiesis

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9
Q

what type of bone have variable shapes often cuboidal with dimensions of length width and height that are roughly equivalent

A

short bones

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10
Q

examples of short bones are

A

tarsal ( bones in the foot) and carpal bones( bones in the hand)

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11
Q

what type of bones have nonsymmetrical shapes

A

irregular bone

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12
Q

examples of irregular bones are

A

skull, elbow, pelvis, knee, spinal, vertebrae, bones of the middle ear

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13
Q

what type of bone is thin with a high surface area

A

flat bones

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14
Q

flat bones have an outer layer of what type of bone

A

cortical bone

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15
Q

flat bones have a thin central layer of what type of bone

A

trabecular bone

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16
Q

most bones of which area are flat bones

A

cranium

17
Q

what primary function does flat bones have

A

primary protective function

18
Q

flat bones particularly have a primary protective function over what part of the body

A

brain

19
Q

what does flat bones have a little role in

A

erythropoiesis

20
Q

what type of bone is formed with muscle tendons

A

sesamoid bone

21
Q

sesamoid bones have a mechanical function related to what

A

amount of leverage that a muscle can generate on an attached bone

22
Q

what size are most sesamoid bones

A

relatively small except for the patella

23
Q

where is the patella located

A

anterior to the synovial joint of the knee

24
Q

what is the medical specialty name for joint disorders

A

rheumatology