Skeletal System Vocabulary

Question 1

Articular Cartilage

Answer 1

Thin layer of connective tissue covering the ends of long bones.

Question 2

Amphiarthroses

Answer 2

Slightly moveable joints connected by fibrocartilage.

Question 3

Ball and Socket Joint

Answer 3

Freely moveable joints in which a rounded end of bone fits into an indented end of another; allows the widest range of motion.

Question 4

Condyloid/Ellipsoidal Joint

Answer 4

Freely moveable joints that allow bones to move in many different directions, but not to rotate

Question 5

Diarthroses (Synovial Joint)

Answer 5

Freely moveable joints.

Question 6

Fibrocartilage

Answer 6

Specialized connective tissue with thick collagen fibers

Question 7

Gliding Joint

Answer 7

A freely moveable joint that allows bones to make a sliding motion.

Question 8

Gomphosis

Answer 8

An immovable joint in which a conical process fits into a socket held in place by ligaments

Question 9

Hinge Joint

Answer 9

A freely moveable joint that allows flexion and extension

Question 10

Joint Articulation

Answer 10

The connecting point of two bones.

Question 11

Pivot Joint

Answer 11

A freely moveable joint in which a bone moves around a central axis, creating rational movement

Question 12

Saddle Joint

Answer 12

A freely moveable joint between two bones with complementary shapes; allows wide range of motion

Question 13

Sutures

Answer 13

Immoveable joints; composed of dense fibrous connective tissue, in the skull where the cranial bones meet

Question 14

Synarthroses

Answer 14

Immoveable joints that lack synovial cavity and held together by fibrous connective tissue.

Question 15

Syndesmoses

Answer 15

Slightly moveable joints where bones connected by ligaments

Question 16

Synovial Fluid

Answer 16

Lubricating substance pronounced by the synovial membrane, found in joints

Question 17

Synovial Joint

Answer 17

Freely moveable joint; also known as diarthroses

Question 18

Synovial membrane

Answer 18

Layer of tissue that lines joint cavities and produces synovial fluid.

Question 19

Axial Skeleton

Answer 19

The bones of the head and trunk (skull, spine, sternum, and ribs)

Question 20

Appendicular Skeleton

Answer 20

Bones of the pelvis and shoulder girdles, and limbs.

Question 21

Osteocytes

Answer 21

A bone cell

Question 22

Ossification

Answer 22

The process of none formation

Question 23

Diaphysis

Answer 23

The shaft of a long bone

Question 24

Epiphysis

Answer 24

The end of a long bone

Question 25

Medullary Canal

Answer 25

The center of the shaft of the long bone

Question 26

Spongy bone

Answer 26

Bone permeated by large marrow-filled spaces

Question 27

Periosteum

Answer 27

The fibrous tissue that covers the bone

Question 28

Osteoblast

Answer 28

The type of bone cell involved in the formation of bony tissues

Question 29

Osteoclast

Answer 29

Type of bone cell involved in the formation of bony tissue

Question 30

Simple fracture

Answer 30

A break in the bone that may be complete or incomplete, but does not break through the skin; also known as a closed fracture

Question 31

Compound fracture

Answer 31

A complete break in the bone where the bone ends separate and break through the skin; also known as an open fracture

Question 32

Greenstick Fracture

Answer 32

An incomplete break in the shaft of the bone occurring in children

Question 33

Comminuted Fracture

Answer 33

A break in the bone in which the bone is shattered in many pieces

Question 34

Stress fracture

Answer 34

A small, incomplete break in the bone that results from overuse, weakness, or biomechanical problems

Question 35

Epiphyseal Plate Fracture

Answer 35

A break in the bone at the growth plate (typically at the wrist or the ankle)

Question 36

Remodeling

Answer 36

The process of absorbing and replacing bone in the skeletal system

Question 37

Reduction

Answer 37

The process of putting broken bones back into proper alignment

Question 38

External Fixation

Answer 38

The use of a cast to maintain proper alignment of bones for the purpose of reduction

Question 39

Internal Fixation

Answer 39

Surgical alignment of bones for the purpose of reduction