Skeletal System

Question 1

Bursitis

Answer 1

Inflammation of a bursa, a fluid filled sack that cushions joints

Question 2

Osteocyte

Answer 2

A mature bone cell that maintains bone tissue

Question 3

Suture

Answer 3

An immovable joint where bones of the skull meet

Question 4

Irregular (bone)

Answer 4

Bones with complex shapes that don’t fit other categories (ex. vertebrae)

Question 5

Red marrow

Answer 5

Soft tissue inside bones that produces blood cells

Question 6

Osteoporosis

Answer 6

Condition where bones become weak and brittle due to loss of bone density

Question 7

Tendon

Answer 7

Connective tissue that attaches muscle to bone

Question 8

Fossa

Answer 8

A shallow depression in a bone, often where another bone fits

Question 9

Kyphosis

Answer 9

Exaggerated outward curve of the thoracic spine (humpback)

Question 10

Tuberosity

Answer 10

A large, rounded projection on a bone where muscles attach

Question 11

Articulation

Answer 11

The point where two bones meet: a joint

Question 12

Ligament

Answer 12

Connective tissue that connects bone to bone and stabilizes joints

Question 13

Epiphyseal line

Answer 13

The remnant of the growth plat in mature bone

Question 14

Rheumatoid arthritis

Answer 14

Autoimmune disease causing inflammation of joint linings

Question 15

Wolff’s law

Answer 15

Bone adapts to the stress placed upon it - stronger with use, weaker without

Question 16

Rotation

Answer 16

Movement around an axis (ex. turning the head to the side)

Question 17

Gout

Answer 17

Joint inflammation caused by uric acid crystal build up

Question 18

Synarthrotic

Answer 18

Immovable joint, such as sutures in the skull

Question 19

Labrum

Answer 19

Ring of cartilage that deepens the socket of a joint

Question 20

Foramina (or foramen)

Answer 20

Openings of holes in bones for nerves and blood vessels

Question 21

Sesamoid

Answer 21

A small bone embedded in a tendon (Ex. the kneecap)

Question 22

Femur

Answer 22

The thigh bone: the longest and strongest bone in the body

Question 23

Hyaline (cartilage)

Answer 23

Smooth, glassy cartilage that covers bone ends at joints to reduce friction

Question 24

Diaphysis

Answer 24

The shaft or main long section of a long bone

Question 25

Condyle

Answer 25

A rounded projection at the end of a bone that forms part of a joint, allowing smooth movement

Question 26

Tubercle

Answer 26

A small, rounded bump on a bone where muscles, tendons, or ligaments attach