Chapter 2 Terms

Question 1

Compact Bone

Answer 1

Outer Portion

Question 2

Medullary Cavity

Answer 2

Inner Portion

Question 3

Cancellous Bone

Answer 3

Fills medullary Cavity

Question 4

Bone Marrow

Answer 4

In medullary cavity between the trabeculae

Question 5

Trabeculae

Answer 5

Web like bony structure

Question 6

Red bone marrow

Answer 6

Responsible for hemopoiesis - production of blood cells

Question 7

Osteoblasts

Answer 7

Bone forming cells that line the medullary cavity

Question 8

Osteoclasts

Answer 8

Specialized cells that are responsible for bone remodeling

Question 9

Diaphysis

Answer 9

Shaft of long bone

Question 10

Epiphysis

Answer 10

Expanded end portion

Question 11

Metaphysis

Answer 11

Growth zone between the diaphysis and epiphysis

Question 12

Periosteum

Answer 12

Fibrous membrane that encloses all of the bone except at joints

Question 13

Fibrous / synarthrodial

Answer 13

Sutures of the skull

Question 14

Cartilaginous / ampiarthrodial

Answer 14

Intervertebral joints

Question 15

Synovial / Diarthrodial

Answer 15

Knee

Question 16

Osteogenesis Imperfecta

Answer 16

Brittle bone disease

Question 17

Osteogenesis Imperfecta Congenita

Answer 17

Present at birth - Bone deformities and brittleness

Question 18

Osteogenesis imperfecta tarda

Answer 18

Start later on - stop by adulthood - extremely thin bones

Question 19

Achondroplasia

Answer 19

Short extremities , lumbar lordosis…. Dwarfism

Question 20

Osteopetrosis

Answer 20

Marble Bone - increased bone density - brittle

Question 21

Albers Schoenberg

Answer 21

Most common osteopetrosis

Question 22

Craniotubular Dysplasia

Answer 22

Group of hereditary disease that results in defective bones of the cranium and long bones

Question 23

Syndactyly

Answer 23

Webbed fingers or toes - joined

Question 24

Polydactyly

Answer 24

Extra toes or fingers

Question 25

Clubfoot

Answer 25

Foot turned in at the ankle

Question 26

Developmental Dysplasia of the Hip (DDH)

Answer 26

Acetabulum malformation - femoral head displaced

Question 27

Scoliosis

Answer 27

Abnormal lateral curve of spine

Question 28

Transitional Vertebra

Answer 28

Vertebra that take on characteristics of others. Cervical ribs, lumbar ribs

Question 29

Scheurmann Disease

Answer 29

Increased thoracic kyphosis

Question 30

Klippel Feil Syndrome

Answer 30

Congenital - Multiple non segments and fusions of the spine

Question 31

Craniosyntosis

Answer 31

Early closure of skull sutures and alters head shape - possible brain damage

Question 32

Ancephaly

Answer 32

Brain and cranial vault do not form only facial bones

Question 33

Osteomyelitis

Answer 33

Infection of bone / bone marrow

Question 34

Tuberculosis

Answer 34

Softening of bones - long bones, spine, knees , hips

Question 35

Pott Disease

Answer 35

Tuberculosis of the spine

Question 36

Arthritis

Answer 36

Joint inflammation

Question 37

Infectious Arthritis

Answer 37

Caused by infection

Question 38

Psoriatic Arthritis

Answer 38

Associated with psoriasis

Question 39

Reiter Syndrome

Answer 39

Reactive - affects GI tract and Reproductive system, urinary, and joints

Question 40

Rheumatoid Arthritis

Answer 40

Inflammation / overgrowth of synovial tissues - pain and swelling in joints

Question 41

Juvenile Idiopathic Arthritis

Answer 41

Still disease - effects children under 16