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Gen Bio II (yr1sem2) > Lab 8 Skeletal System > Flashcards

Lab 8 Skeletal System Flashcards

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Biology 101 flashcards
1
Q

how many bones in ribs

A

24

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2
Q

how many bones in vertebrae

A

26

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3
Q

how many bones in skull

A

28

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4
Q

immovable joint

A

has fibrous connective tissue joining the bone

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5
Q

slightly moveable joint

A

has fibrous joints OR cartilaginous with articular cartilage joining the bones

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6
Q

freely moveable joints

A

have a membrane and articular cartilege

- synovial

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7
Q

Flexion

A

bending parts at a joint so that the angle between them decreases and the parts come closer together (bending the lower limb at the knee)

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8
Q

Extension

A

straightening parts at a joint so that the angle between them increases and the parts move far- ther apart (straightening the lower limb at the knee) 


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9
Q

Hyperextension

A

excess extension of parts at a joint, beyond the anatomical position (bending the head back beyond the upright position) 


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10
Q

Abduction

A

moving a part away from the midline (lifting the upper limb horizontally to form a right angle with the side of the body) 


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11
Q

Adduction

A

moving a part toward the midline (return- ing the upper limb from the horizontal position to the side of the body) 


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12
Q

Rotation

A

moving a part around an axis (twisting the head from side to side). Medial rotation involves movement toward the midline, whereas lateral rota- tion involves movement in the opposite direction.

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13
Q

Circumduction

A

moving a part so that its end follows a circular path (moving the finger in a circular motion without moving the hand) 


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14
Q

Supination

A

turning the hand so the palm is upward or facing anteriorly (in anatomical position) 


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15
Q

Pronation

A

turning the hand so the palm is downward or facing posteriorly (in anatomical position) 


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16
Q

Eversion

A

turning the foot so the sole faces laterally 


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17
Q

Inversion

A

turning the foot so the sole faces medially

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18
Q

Protraction

A

moving a part forward (thrusting the chin forward) 


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19
Q

Retraction

A

moving a part backward (pulling the chin backward) 


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20
Q

Elevation

A

raising a part (shrugging the shoulders) 


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21
Q

Depression

A

lowering a part (drooping the shoulders) 


22
Q

Depression

A

lowering a part (drooping the shoulders) 


23
Q

ball and socket joint

A

hips

24
Q

hinge joint

A

movement in only one plane

25
Q

gliding joint

A

sliding on surfaces

26
Q

combination joint

A

can rotate or go side to side (different types of movement)

27
Q

bone is made by

A

osteoblasts

  • secrete collagen fibers
28
Q

mature bone cells

A

osteocytes

29
Q

bone is broken down by

A

osteoclasts

- aid in bone reabsorption and turnover

30
Q

look at the skeleton

A

please

31
Q

purpose of bone

A

movement, protection, site of blood cell production, mineral storage

32
Q

basic structural unit

A

osteon

33
Q

osteon structure

A

center is the Haversian canal. has different veins and arteries

  • lamella surround it
  • have osteocytes
  • cannaliculi connects everything
34
Q

moveable joint types

A

ball and socket, hinge, gliding, combination

35
Q

aXIAL

A

SKULL, VERTEBRAE, RIBS

36
Q

appendicular

A

arm, shoulder, leg

37
Q

LOOK AT POWERPOINT OF SKULL

A

please see slide

38
Q

skull

A

has cranium and facial bones

39
Q

cranium

A 
Frontal
Parietal (2)
Temporal (2)
Occipital
Sphenoid
Ethmoid
40
Q

facial bones

A 
Nasal
Vomer
Zygomatic
Maxilla
Mandibular
41
Q

see skeleton for vertebral column

A

note which are fused together!! see ppt!

42
Q

Cervical column

A

have holes (foramen) for the vertebral arteries going into the brain

7

43
Q

thoracic column

A

articulate with the ribs (protect thoracic and abdominal organs)

12

44
Q

lumbar

A

thicker to bear weight of the body

5

45
Q

sacral

A

fused to form dorsal aspect of hips and triangular to distribute weight to the legs

5

46
Q

coccyx

A

remnant of the post anal tail

4

47
Q

make sure you know how to identify broken away bones

A

disarticulated”

48
Q

radius is

A

rad thumbs up

49
Q

pelvic girdle

A

Coxal Bone:
Illium (rest your hands on it)
Ischium (sit on it)
Pubic

50
Q

bones and bones

A

ligaments

51
Q

bones and muscles

A

tendons

Gen Bio II (yr1sem2) (18 decks)

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