bones and joints

Question 1

what are the last bones in our bodies to join?

Answer 1

hip

Question 2

what does ossified mean?

Answer 2

bones are joined

Question 3

at what age are all bones ossified?

Answer 3

late 20s/early 30s

Question 4

what is the middle part of our skeleton called?

Answer 4

axial skeleton

Question 5

what are the added on bones on the side of the central part of the skeleton called?

Answer 5

appendicular skeleton

Question 6

what is the function of the axial skeleton?

Answer 6

provide stability

Question 7

what is the end parts of bones called?

Answer 7

epiphysis

Question 8

what is the middle part of a bone called?

Answer 8

diaphysis

Question 9

what is the name of the membrane that covers the outer surface of all bones?

Answer 9

periosteum

Question 10

what is the name of the hyaline cartilage plate in the metaphysis at each end of a long bone?

Answer 10

epiphyseal plate or growth plate

Question 11

what is the narrow portion of a long bone between the epiphysis and the diaphysis called?

Answer 11

metaphysic

Question 12

what is the smooth, white tissue that covers the ends of bones where they come together to form joints called?

Answer 12

articular cartilage

Question 13

there are 2 types of bone found in the body, what are they?

Answer 13

• cancellous/spongy/trabecular bone

- compact/cortical bone

Question 14

which type of bone is found at the ends of long bones, as well as in the pelvic bones, ribs, skull, and the vertebrae in the spinal column?

Answer 14

cancellous bone

Question 15

which type of bone forms the cortex, or hard outer shell of most bones in the body?

Answer 15

compact bone

Question 16

what is the area where red and yellow bone marrow is stored called?

Answer 16

marrow cavity

Question 17

name the 3 types of joints?

Answer 17

• synovial
• fibrous
• cartilaginous

Question 18

describe a synovial joint

Answer 18

• contains synovial fluid in a capsule
• extensive movement/movable joints
• smooth cartilage

Question 19

describe a fibrous joint

Answer 19

• no synovial cavity

- joint held together by dense connective tissue (rich in collagen)

Question 20

describe a cartilaginous joint

Answer 20

• no synovial cavity
• little movement
• held together by cartilage

Question 21

which type of joint shows the most movement and which shows the least?

Answer 21

most - synovial

least - fibrous

Question 22

which 2 types of cartilage are present in synovial joints?

Answer 22

• fibrocartilage

- hyaline cartilage

Question 23

give 3 examples of synovial joints

Answer 23

• elbow
• knee
• ribs

Question 24

give 2 examples of fibrous joints?

Answer 24

• sutures of skull

- syndesmoses (tibia and fibula)

Question 25

what is another name for a cartilaginous joint?

Answer 25

symphysis

Question 26

give an example of a cartilaginous joint?

Answer 26

pelvis

Question 27

what is C1 or the atlas?

Answer 27

most superior (first) cervical vertebra of the spine

Question 28

does the atlas have a body?

Answer 28

no

Question 29

how does C2 compensate for the lack of a body on the 1st cervical vertebrae?

Answer 29

it has body which sucks up

Question 30

what is the dens?

Answer 30

C2 or 2nd cervical vertebral body

Question 31

a depression in a bone which another bone fits to form a joint is called?

Answer 31

glenoid fossa

Question 32

a bone developed in a tendon is called?

Answer 32

sesamoid bone

Question 33

give an example of a sesamoid bone

Answer 33

knee cap