Terms and Definitions

Question 1

Osteoblast

Answer 1

A bone-forming cell

Question 2

Osteocyte

Answer 2

A mature bone cell surrounded by bone matrix.

Question 3

Osteoclast

Answer 3

A large, multinucleated cell that breaks down bone.

Question 4

Hematoma

Answer 4

A mass of blood that is confined to some limited space.

Question 5

Callus

Answer 5

A mass of tissue that connects the end of a broken bone.

Question 6

Anatomical Position

Answer 6

The position acquired when one stands erect with the feet facing forward, the upper limbs hanging at the sides, and the palms facing forward with the thumbs to the outside.

Question 7

Trabeculae

Answer 7

Beams of bone in Cancellous bone that form the latticework.

Question 8

Osteons

Answer 8

Compact bone arranged in tightly-packed cylinders.

Question 9

Central Canal

Answer 9

A hollow tube in the middle of an osteon in which blood vessels run through. Sometimes called Haversian Canal

Question 10

Concentric lamellae

Answer 10

Tubes of bone that surround blood vessels that run through central canals

Question 11

Interstitial lamellae

Answer 11

Layers of bony tissue that do not form complete cylinders.

Question 12

Sutures

Answer 12

Tight immovable joint between bones

Question 13

Syndesmosis

Answer 13

Fibrous joints that connect bones that are farther apart.

Question 14

Synchondrosis

Answer 14

Joints made of hyaline cartilage such as the epiphyseal plate and the strips of cartilage that attached the ribs to the sternum.

Question 15

Symphysis

Answer 15

Bones joined by fibrocartilage such as the symphysis pubis which joins the coxal bones and the intevertebral disks.