skeletal system

Question 1

body

Answer 1

main part of the bone

Question 2

head

Answer 2

enlarged end of a bone

Question 3

neck

Answer 3

a narrow area below the head of a bone

Question 4

margin or border

Answer 4

an edge of a bone

Question 5

angle

Answer 5

part in a bone that has a bend

Question 6

condyle

Answer 6

a smooth, rounded, articular joint surface

Question 7

epicondyle

Answer 7

near or above a condyle

Question 8

facet

Answer 8

small flattened articular surface

Question 9

line

Answer 9

a low ridge

Question 10

crest

Answer 10

prominent ridge

Question 11

spine

Answer 11

very high ridge

Question 12

process

Answer 12

prominent projection

Question 13

tubercle

Answer 13

small rounded process

Question 14

tuberosity

Answer 14

a large knoblike process

Question 15

foramen

Answer 15

a rounded hole

Question 16

fossa

Answer 16

a depression

Question 17

what are the parts of a long bone

Answer 17

1. epiphyses: ends of bone
2. articular cartilage: on the ends of bones to connect
3. diaphysis: shaft
4. periosteum: covering of bone

Question 18

oseteon

Answer 18

functional unit of bone cells

Question 19

central canal

Answer 19

houses blood vessels and nerves that run down the bone

Question 20

perforating canal

Answer 20

goes horizontally through a bone

Question 21

osteocyte

Answer 21

bone cell

Question 22

canaliculus

Answer 22

communication pathway between osteocytes

Question 23

lacuna

Answer 23

space in which osteocyte is housed

Question 24

what are the bones functions

Answer 24

1. support and protection
2. bone movement
3. blood cell formation
4. storage of inorganic salts

Question 25

what is the process of making new blood cells

Answer 25

hemotopoieses

Question 26

what are the two types of marrow that occupy medullary cavity

Answer 26

red marrow: produces blood cells

yellow marrow: fat storage

Question 27

what is a joint

Answer 27

functional junctions between bones

Question 28

how are joints classified

Answer 28

according to the degree of movement and according to the type of tissue that binds them together

Question 29

what are the different types of tissue that binds joints together

Answer 29

1. fibrous
2. cartilaginous
3. Synovial

Question 30

what are the different types of synovial joints

Answer 30

1. ball and socket joint
2. condyloid joint
3. gliding joint
4. hinge joint
5. pivot joint
6. saddle joint

Question 31

where are these joints located

1. ball and socket
2. condyloid
3. gliding
4. hinge
5. pivot
6. saddle

Answer 31

1. ball and socket: hip and shoulder
2. condyloid: in the fingers
3. gliding: carpals
4. hinge: elbow, knee
5. pivot: atlas and axis
6. saddle: thumb

Question 32

where are fibrous joints located

Answer 32

in the skull, the sutures, they do not move

Question 33

where is a cartilaginous joint located

Answer 33

in between the pubis bones

Question 34

what are the 3 parts of the synovial joint

Answer 34

1. synovial membrane
2. articular cartilage
3. joint capsule