Covers the external surface of the epiphyses  Made of hyaline cartilage Decreases friction at joint surfaces

Question 1

Covers the
external surface of
the epiphyses
 Made of hyaline
cartilage
Decreases friction
at joint surfaces

Answer 1

articular cartilage

Question 1

Cavity of the shaft
Contains yellow
marrow (mostly fat)
in adults

Contains red marrow
(for blood cell
formation) in infants

Answer 1

Medullar cavity

Question 2

 Outside covering of
the diaphysis
 Fibrous connective
tissue membrane

Answer 2

Perioteum

Question 3

 Secure periosteum to
underlying bone

Answer 3

Sharpey’s fiber

Question 4

Supply bone cells
with nutrients

Answer 4

artiries

Question 5

Composed of
compact bone

Answer 5

Diaphysis

Question 6

Ends of the bone

Composed mostly of
spongy bone

Answer 6

Epiphysis

Question 7

form within tendons

Answer 7

sesamoid bone

Question 8

The adult skeleton has—– bones

Answer 8

206 bones

Question 9

Dense and Homogeneous

Answer 9

compact bones

Question 10

Small needle-like
pieces of bone
 Many open spaces

Answer 10

spongy bone

Question 11

grow out from the
bone surface

Answer 11

Projections or processes

Question 12

A unit of bone

Answer 12

osteon Harversian system)

Question 13

 Opening in the center of an osteon
 Carries blood vessels and nerves

Answer 13

Central (Haversian) canal

Question 14

 Canal perpendicular to the central canal
 Carries blood vessels and nerves

Answer 14

Perforating (Volkman’s) canal

Question 15

 Cavities containing
bone cells
(osteocytes)

Answer 15

lucanae

Question 16

Rings around the
central canal
 Sites of lacunae

Answer 16

lamallae

Question 17

Tiny canals
Radiate from the
central canal to
lacunae

Form a transport
system

Answer 17

canaliculi

Question 18

 Cartilage remains in isolated areas

Answer 18

 Bridge of the nose
 Parts of ribs

 Joints

Question 19

Bone-destroying cells
 Break down bone matrix for remodeling and
release of calcium

Answer 19

osteoclasts

Question 20

 Bone-forming cells

Answer 20

osteoblasts

Question 21

 Mature bone cells

Answer 21

osteocytes