Chapter 6

Question 1

Surface features, can yield an abundance of anatomical information.

Answer 1

Bone Markings

Question 2

The shaft of a long bone.

Answer 2

Diaphysis

Question 3

The head of a long bone.

Answer 3

Epiphysis

Question 4

The region of a long bone between the epiphysis and diaphysis, corresponding to the location of the epiphyseal cartilage of the developing bone.

Answer 4

Metaphysis

Question 5

The space within a bone that contains the marrow.

Answer 5

Medullary Cavity

Question 6

The outer layer or portion of an organ or bone.

Answer 6

Cortex

Question 7

Calcium phosphate interacts with calcium hydroxide to form crystals of this.

Answer 7

Hydroxyapatite

Question 8

A bone cell responsible for the maintenance and turnover of the mineral content of the surrounding bone.

Answer 8

Osteocytes

Question 9

Concentric layers; the concentric lairs of bone within an osteon.

Answer 9

Lamellae

Question 10

Microscopic passageways between cell.

Answer 10

Canaliculi

Question 11

A cell that produces the fibers and matrix of bone.

Answer 11

Osteoblasts

Question 12

The process of producing new bone matrix.

Answer 12

Osteogenesis

Question 13

The organic matrix before calcium salts are deposited.

Answer 13

Osteoid

Question 14

A cell that dissolves the fibers and matrix of bone.

Answer 14

Osteoclasts

Question 15

The basic histological unit of compact bone, consisting of osteocytes organized around a central canal and separated by concentric lamellae.

Answer 15

Osteon

Question 16

A connective tissue partition that subdivides an organ.

Answer 16

Trabeculae

Question 17

Responsible for blood cell formation.

Answer 17

Red Bone Marrow

Question 18

Adipose tissue important as an energy reserve.

Answer 18

Yellow Bone Marrow

Question 19

The layer that surrounds a bone, consisting of an outer fibrous region and inner cellular region.

Answer 19

Periosteium

Question 20

An incomplete cellular lining on the inner surfaces of bones.

Answer 20

Endosteum

Question 21

The formation of bone.

Answer 21

Ossification

Question 22

The deposition of calcium salts within a tissue.

Answer 22

Calcification

Question 23

The conversion of a cartilaginous model to bone.

Answer 23

Endochondral Ossification

Question 24

The cartilage pad that covers the surface of a bone inside a joint cavity.

Answer 24

Articular Cartilage

Question 25

The cartilaginous region between the epiphysis and the diaphysis of a growing bone.

Answer 25

Epiphyseal Cartilage

Question 26

The former location of the epiphyseal cartilage is detectable in x-rays is known as this. It remains after epiphyseal growth has ended.

Answer 26

Epiphyseal Line

Question 27

The organic and mineral components of the bone matrix are continuously being recycled and renewed through this process.

Answer 27

Remodeling

Question 28

A large blood clot.

Answer 28

Fracture Hematoma

Question 29

An enlarged collar of cartilage and bone, forms and encircles a bone tat the level of the fracture.

Answer 29

External Callus

Question 30

Organizes within the medullary cavity and between the broken ends of the shaft.

Answer 30

Internal Callus

Question 31

When the reduction in bone mass is sufficient to compromise normal function.

Answer 31

Osteoporosis

Question 32

Inadequate ossification is called _____, and all of us become slightly _____ as we age.

Answer 32

Osteopenia