Bones/Cartilage Flashcards

1
Q

what is articular cartilage

A

end of the bone (hyaline cartilage)

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2
Q

what is periosteum

A

membrane on the surface

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3
Q

what is endosteum

A

membrane lining marrow cavity

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4
Q

what is metaphysis

A

flared area of the long bone

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5
Q

what is diaphysis

A

shaft of the long bone

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6
Q

what is epiphysis

A

end of the long bone

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7
Q

what is the compact/cortex

A

outer layer of dense bone that gives the bone strength

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8
Q

what is cancellous bone

A

center of bones that absorbs concussion

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9
Q

what is the medullary cortex

A

center of long bones (legs/ribs)

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10
Q

how is the medullary cortex different in young and old horses

A

young- cavity contains red bone marrow
old- replaced with fat

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11
Q

what is a tuberosity

A

protrusion
usually a site of muscle attachment

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12
Q

what is an example of tuberosity

A

humorous

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13
Q

what is a process

A

projection
pulley for muscle to run over it

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14
Q

what is an example of a process

A

scapula, humorous

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15
Q

what is a fossa

A

hollow grooves
give an overlaying muscle more room to move

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16
Q

what is an example of a fossa

A

scapula

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17
Q

how to bone tissues vary

A

in density

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18
Q

what are the two types of bone tissue

A
  1. compact (cortical)
  2. cancellous
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19
Q

function and location of compact tissue

A

dense for strength
toward outside

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20
Q

function and location of cancellous tissue

A

cellular development, structure support
toward inside

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21
Q

what does the amount of tissue within the bone depend on

A

type and function (i.e. long bone, vertebrae)

22
Q

how does bone tissue constantly change

A

it is constantly renewing itself

23
Q

what is the function of bone tissue

A

store and release minerals depending on the body’s needs

24
Q

how do bones change

A

change shape and density to accommodate the stress it is under

25
Q

what can affect density of bone tissue

A

conformation, exercise (blood supply), nutrition

26
Q

what is the average amount of bones in the skeletal system

A

205

27
Q

how many bones are in the skull

A

34

28
Q

how many bones are in the vertebral column

A

54

29
Q

how many bones are in the ribs

A

36

30
Q

how many bones are in the sternum

A

1

31
Q

how many bones are in the thoracic limbs

A

40

32
Q

how many bones are in the pelvic limbs

A

40

33
Q

what are long bones

A

long, cylinder shaped bones

34
Q

what is the function of long bones

A

support weight
locomotion, levers

35
Q

what are examples of long bones

A

humorous, radius, femur, tibia, metacarpals, metatarsals

36
Q

what are cuboidal bones

A

(short) block shaped

37
Q

what is the function of cuboidal bones

A

absorb concussion

38
Q

what are examples of cuboidal bones

A

knee (carpal), hock (tarsal)

39
Q

what is the function of flat bones

A

enclosed the cavities containing vital organs

40
Q

what are examples of flat bones

A

skull, scapula, ribs

41
Q

what are the functions of sesamoid bones

A

assist other bones in the joint to reduce friction
act as a pulley for tendons

42
Q

what are examples of sesamoid bones

A

fetlock, navicular, patella, distal sesamoid bone

43
Q

what are pneumatic bones

A

bones that contain air spaces

44
Q

what is the function of pneumatic bones

A

house air passages

45
Q

what are examples of pneumatic bones

A

frontal bones, maxillary, bones of the skull

46
Q

what are irregular bones

A

odd shaped, unpaired

47
Q

what are examples of irregular bones

A

vertebrae, coffin, elbow

48
Q

what are some characteristics of cartilage

A

-tough elastic tissue
-no blood supply

49
Q

what is the function of cartilage cells

A

receive nutrients from body fluids by diffusion

50
Q

what are the two types of cartilage

A

growth and articular

51
Q

what is articular cartilage

A

covers to joint surface

52
Q

what is growth cartilage

A

end of foal’s long bone changes to bone