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Flashcards in skeletal system Deck (33)
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1
Q

functions of the skeletal system

A

support body
protection
movement

2
Q

Forms blood cells—process is called

A

hematopoiesis

3
Q

4 types of bones

A

Long, short, flat, irregular

4
Q

two long bones

A

humerus, femur

5
Q

short bones

A

carpals and tarsals

6
Q

flat bones

A

skull, sternum, ribs and hip bones

7
Q

irregular bones

A

vertebrae, facial and sinus bones

8
Q

hallow tube of hard compacted bone

A

diaphysis/ shaft

9
Q

hallow space inside the diaphysis that contains yellow marrow

A

medullary cavity

10
Q

end of the bone made of spongy bone that contains red bone marrow

A

epiphyses

11
Q

thin layer that covers the epiphysis; provides cushion

A

articular cartilage

12
Q

strong, fibrous membrane covering bone everywhere except joint surfaces

A

periosteum

13
Q

thin membrane that lines medullary cavity

A

endosteum

14
Q

what are cartilage cells called

A

chondrocytes

15
Q

bone FORMING cells

A

osteoblasts

16
Q

bone DISSOLVING cells

A

osteoclasts

17
Q

when osteoblasts are trapped and stop forming bone

A

osteocytes

18
Q

what bones consists in the axial skeleton

A

skull, spine, thorax

19
Q

what consists of appendicular skeleton

A

upper & lower extremities

20
Q

the difference in male vs female pelvis

A

female is broad and shallow

male is deep and narrow

21
Q

synarthrosis

A

no movement in joint

22
Q

amphiarthrosis

A

slight movement in joints

23
Q

diarthrosis

A

free movement of joint

24
Q

Articular cartilage

A

Covers joint ends of bones and absorbs jolts

25
Q

Synovial membrane

A

Lines joint capsule and secretes lubricating fluid

26
Q

example of a hinge joint

A

elbow

27
Q

example of pivot joint

A

radius and ulna

28
Q

example of saddle joint

A

joint in the thumb

29
Q

example of ball and socket joint

A

hip joint

30
Q

condyloid joint

A

fingers

31
Q

Osteoporosis

A

Characterized by loss of calcified bone matrix

32
Q

what vitamin helps absorb calcium from the diet

A

vitamin D

33
Q

Osteomyelitis

A

bacterial infection of the bone