Bone Anatomy

Question 1

Long bones

Answer 1

longer than they are wide

Upper and lower limbs

Question 2

Flat bones

Answer 2

Thin, flattened shape and are usually curved

Ex: skull bones, ribs, breastbone, shoulder blades

Question 3

Short bones

Answer 3

Round or cube-shaped

Ex: write bones (carpal bones(, ankle bones (tarsal bones)

Question 4

Irregular bones

Answer 4

Don’t readily fit into other categories

vertebrae and facial bones

Question 5

Diaphysis

Answer 5

The shaft of the bone

Question 6

Epiphysis

Answer 6

Part of the bone that develops from a center of ossification distinct from teeh diaphysis

Question 7

Epiphyseal plate

Answer 7

GRowth plate

BEtween epiphysis and diaphysis. Growth occurs here

Question 8

Epiphyseal line

Answer 8

Where bone stops growing and is ossified

Question 9

Medullary cavity

Answer 9

A hallow center in long bone that is filled with marrow

Question 10

Red marrow

Answer 10

Site of blood cell formation

Question 11

Yellow Marrow

Answer 11

Adipose tissue.
Completely replaces red marrow in long bones of limbs except for some red marrow in the proximal part of the arm and thighbones.

Question 12

Periosteum

Answer 12

Connective tissue membrane covering the outer surface of a bone

Question 13

Layers of Periosteum (2)

Answer 13

The outer - fibrous layer of dense irregular collagenous connective tissue; contains blood vessels and nerves
inner layer - a single layer of bone cells

Question 14

Perforating fibers

Answer 14

Sharpy fibers - bundles of collagen fibers of tendons or ligaments that penetrate the periosteum.
Job - strengthen the attachment of tendons or ligaments.

Question 15

Sinuses

Answer 15

air-filled spaces in some flat and irregular bones. Lined by mucous membranes

Question 16

Endosteum

Answer 16

A single-cell layer of con. tis. that lines internal surfaces of all cavities within bones.