The Muskularskelital System

Question 1

what is apart of the axial skeleton?

Answer 1

skull
thorax
vertebral column

Question 2

what is apart of the appendicular skelliton?

Answer 2

bones of the limbs
pictorial
pelvic girdles

Question 3

what are the classifications of bone types?

Answer 3

flat bone
long bone
short bone
irregular bone
sesemoid bone

Question 4

what is the charicteristics of the flat bone?

Answer 4

flat

smooth

Question 5

what are some examples of flat bones?

Answer 5

skull
sternum
ribs

Question 6

what are the charicteristics of the long bone?

Answer 6

long slender

Question 7

what are examples of the long bone?

Answer 7

legs
finger
toes

Question 8

what are the charicteristics of the irregular bone?

Answer 8

irregularly shaped

Question 9

what is the examples of an irregular bone?

Answer 9

vertebra
pelvic bones
skull bones

Question 10

what is a sesemoid bone?

Answer 10

small flat

Question 11

what is an example of a sesemoid bone?

Answer 11

the patella

Question 12

what is the epiphysis? where can it be found on a long bone?

Answer 12

expanded aria at top and bottom of the bone

Question 13

what is the metaphysis and where can it be found?

Answer 13

zone between epiphysis and diaphysis

Question 14

where can you find the diaphysis?

Answer 14

shaft

Question 15

what kind of bone is found in the epiphysis?

Answer 15

spongy bone

Question 16

what are the two main charicteristics of the trabecular bone?

Answer 16

struts and plates

Question 17

what kind of bone is found in the epiphysis?

Answer 17

spongy trabecular bone

Question 18

where is compact bone found?

Answer 18

in the diaphysis

Question 19

what is the muddulery cavity?

Answer 19

cavety in dialysis of the bone

Question 20

what can be found int he muddulery cavety?

Answer 20

yellow and red bone marrow

Question 21

what do osteoblasts do?

Answer 21

creat bone matrix

Question 22

bone production of called the process of…

Answer 22

ossification

Question 23

what a re osteocytes?

Answer 23

develope from osteoblasts have become completely surrounded by bone matrix

Question 24

what is an osteocyte?

Answer 24

mature bone cells that maintain bone matrix

Question 25

what does an osteocyte do?

Answer 25

secreat chemical that dissolves adjacent bone matrix and then the released minerals enter the blood

Question 26

where do osteocytes hollow?

Answer 26

in the lacunae

Question 27

what is the canaliculi? and what does it do?

Answer 27

narrow passages penetrate the matrix to reach vascular passage ways and to interconnect other lacunae

Question 28

t=what is the lamellae?

Answer 28

thin layers matrix / thin plate

Question 29

what do osteoclasts do?

Answer 29

remove bone matrix

Question 30

how many nuclei do osteoclasts have?

Answer 30

over 50

Question 31

are osteoclasts related to the rest of the osteons?

Answer 31

no

Question 32

what do osteoclasts resemble in other structures?

Answer 32

monocytes and macrophages which is a kind of stem cell

Question 33

what is the name of the concentric layers within compact cortical bone?

Answer 33

concentric lamellea

Question 34

where do the concentric lamellae lead?

Answer 34

the the centeral canal

Question 35

why do the lamellae reside horizontally?

Answer 35

to help with pressure on the bone | means the bone does not bend

Question 36

where is trabecular bone orientated?

Answer 36

along stress lines

Question 37

how does nutrients reach the trabecular bone?

Answer 37

diffusion of neutrience

Question 38

what is difference and circumferential lamellae?

Answer 38

not apart of the concentric lamellae

Question 39

what’s is the interstitial lamellae?

Answer 39

space between osteons filled in

Question 40

How does the diameter of the bone enlarge?

Answer 40

appositional growth

Question 41

if bone is being added to the outer surface through apositional growth, what is happeneing to the medullary cavity?

Answer 41

it is increasing in size due to osteoclasts removing bone matrix from the inside of the medullary cavity

Question 42

what are the two structures within the periosteum?

Answer 42

fibrous outer layer | cellular inner layer

Question 43

where is the periosteum found?

Answer 43

on the outside of compact cortical bone

Question 44

what does the endosteum do with compact and spongy bone?

Answer 44

lines the muddulery cavity | covers trabeculae of spongy bone

Question 45

what cells are involved with the endosteum?

Answer 45

simple flattened osteogenic cells