Skeletal System

Question 1

amphiarthrosis

Answer 1

a slightly movable articulation

Question 2

epiphysis

Answer 2

the end part of a long bone, initially growing separately from the shaft.

Question 3

medullary canal

Answer 3

the marrow cavity of a bone.

Question 4

scoliosis

Answer 4

abnormal lateral curvature of the spine.

Question 5

appendicular skeleton

Answer 5

one of two major bone groups in the body, the other being the axial skeleton. The appendicular skeleton is comprised of the upper and lower extremities, which include the shoulder girdle and pelvis.

Question 6

femur

Answer 6

the bone of the thigh or upper hind limb, articulating at the hip and the knee.

Question 7

metacarpals

Answer 7

any of the five bones of the hand.

Question 8

sinuses

Answer 8

a cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.

Question 9

axial skeleton

Answer 9

the braincase (cranium) and the backbone and ribs, and it serves primarily to protect the central nervous system.

Question 10

fibula

Answer 10

the outer and usually smaller of the two bones between the knee and the ankle in humans

Question 11

metatarsals

Answer 11

any of the bones of the foot

Question 12

sprain

Answer 12

wrench or twist the ligaments of (an ankle, wrist, or other joint) violently so as to cause pain and swelling but not dislocation.

Question 13

arthritis

Answer 13

painful inflammation and stiffness of the joints.

Question 14

fontanels

Answer 14

space between the bones of the skull in an infant or fetus, where ossification is not complete and the sutures not fully formed. The main one is between the frontal and parietal bones.

Question 15

sternum

Answer 15

the breastbone.

Question 16

carpals

Answer 16

bones of the wrist that connect the distal aspects of the radial and ulnar bones of the forearm

Question 17

foramina

Answer 17

an opening, hole, or passage, especially in a bone.

Question 18

osteoporosis

Answer 18

a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D.

Question 19

sutures

Answer 19

. A type of joint between the bones of the skull where the bones are held tightly together by fibrous tissue.

Question 20

clavicles

Answer 20

technical term for collarbone.

Question 21

humerus

Answer 21

the bone of the upper arm or forelimb, forming joints at the shoulder and the elbow.

Question 22

patella

Answer 22

the kneecap.

Question 23

synarthrosis

Answer 23

an immovably fixed joint between bones connected by fibrous tissue (for example, the sutures of the skull).

Question 24

cranium

Answer 24

the skull, especially the part enclosing the brain

Question 25

kyphosis

Answer 25

excessive outward curvature of the spine, causing hunching of the back.

Question 26

periosteum

Answer 26

a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints

Question 27

tarsals

Answer 27

seven short bones located at the proximal region of the foot

Question 28

diaphysis

Answer 28

the main portions of a long bone

Question 29

ligament

Answer 29

a short band of tough, flexible fibrous connective tissue which connects two bones or cartilages or holds together a joint.

Question 30

Phalanges

Answer 30

The bones of the fingers and of the toes.

Question 31

tibia

Answer 31

also called shin, inner and larger of the two bones of the lower leg in vertebrates

Question 32

diarthrosis

Answer 32

articulation that permits free movement. a freely movable joint.

Question 33

lordosis

Answer 33

the inward curve of the lumbar spine (just above the buttocks).

Question 34

radius

Answer 34

The smaller of the two bones of the forearm, located on the thumb’s side

Question 35

ulna

Answer 35

the bone on the little-finger side of the human forearm

Question 36

endosteum

Answer 36

A membrane lining the inner surface of the bony wall

Question 37

mandible

Answer 37

A U-shaped bone, forming the lower jaw, articulating by its upturned extremities with the temporal bone on either side.

Question 38

red bone

marrow

Answer 38

blood stem cells that can become red blood cells, white blood cells, or platelets

Question 39

vertebrae

Answer 39

one of 33 bony segments that form the spinal column of humans.

Question 40

maxilla

Answer 40

an upper jaw especially of humans

Question 41

scapula

Answer 41

One of a pair of triangular bones at the back of the shoulder.

Question 42

yellow bone marrow

Answer 42

that is yellow with fat; found at the ends of long bones

Question 43

periosteum

Answer 43

Membrane covering the outside of bone