Skeletal System

Front 1

The supporting framework of the body

Back 1

human skeleton

Front 2

Number of bones in the body

Back 2

206

Front 3

The process of formation, development, and differentiation of the cells of whole blood; process of blood cell formation

Back 3

hematopoiesis

Front 4

Types of bones classified by shape

Back 4

1. long
2. short
3. short
4. flat
5. irregular
6. sesamoid

Front 5

The structure of the bone

Back 5

1. diaphysis
2. epiphysis
3. epiphyseal line
4. periosteum
5. articular cartilage
6. medullary (marrow cavitiy)
7. spongy bone (trabeculae)
8. red bone marrow
9. yellow marrow

Front 6

Main shaft of a long bone; it is hollow, cylindrical in shape and made of compact bone

Back 6

diaphysis (shaft)

Front 7

the bulblike shape that provides ample space for muscle attachments

Back 7

epiphysis

Front 8

layer of cartilage that separates the diaphysis from the epiphysis of the bone; allows bone growth in children

Back 8

epiphyseal plate / epiphyseal line

Front 9

thick, white fibrous membrane that covers the surface of the long bone, except for joint surfaces

Back 9

periosteum

Front 10

thin layer of cartilage that covers the ends of the long bones and the surface of the joints

Back 10

articular cartilage

Front 11

the hard, outer shell of the bone that lies just under the periosteum

Back 11

compact bone

Front 12

found in the diaphysis or shaft of long bones; contains yellow marrow

Back 12

medullary cavity (bone marrow cavity)

Front 13

system of small canals in compact bone that extends lengthwise through the bone

Back 13

haversian

Front 14

bone not as dense as compact bone, provides added strength to bones

Back 14

canellous bone (spongy bone, trabeculae bone)

Front 15

Fills the spaces between the trabeculae and produces blood cells

Back 15

red bone marrow

Front 16

stores fat and is not an active site for blood cell production as an adult

Back 16

yellow marrow

Front 17

immature bone cells

Back 17

osteoblasts

Front 18

the conversion of the fibrous connective tissue and cartilage into bone or a bony substance

Back 18

ossification

Front 19

Large cells that digest, or abosorb, bony tissue

Back 19

osteoclasts

Front 20

the process of removing the old bone tissue, or destroying it so that its componenets can be absorbed into the circulation

Back 20

resorption

Front 21

mature bone cell

Back 21

osteocytes

Front 22

list the bone markings

Back 22

1. bone head
2. neck
3. tuberosity
4. trochanter
5. condyle
6. crest
7. spine

Front 23

Types of bone depressions

Back 23

1. sulcus
2. sinus
3. fissure
4. fossa
5. foramen

Front 24

a rounded knoblike end of a long bone, separated from the shaft of the bone by a narrow portion (the neck of the bone)

Back 24

bone head

Front 25

a constricted or narrow section that connects with the head

Back 25

neck

Front 26

an elevated, broad, rounded process of a bone, usually for attachment of muscles or tendons

Back 26

tuberosity

Front 27

large bone process located below the neck of the femur, for attachment of muscles

Back 27

trochanter

Front 28

a knucklelike projection at the end of a bone; usually fits into a fossa of another bone for form a joint

Back 28

condyle

Front 29

a distinct border or ridge; an upper, elevated edge as in the upper part of the hip bone (iliac crest); generally a site for muscle attachment

Back 29

crest

Front 30

a sharp projection from the surface of the bone, similar to the crest, for muscle attachment

Back 30

spine

Front 31

concave (indented) areas, or openings, in a bone. they help to form hoints or serve as points of attachment for muscle

Back 31

bone depressions

Front 32

projections or outgrowths of bones; help to form joints or serve as points of attachment for muscles and tendons

Back 32

bone processes

Front 33

a groove or depresiion in a bone; a fissure

Back 33

sulcus

Front 34

an opening or hollow space in a bone

Back 34

sinus

Front 35

a groove or depression in a bone; sulcus

Back 35

fissure

Front 36

a hoolow or shallow concave depression in a bone

Back 36

fossa

Front 37

a hole within a bone that allows blood vessels or nerves to pass through

Back 37

foramen

Front 38

list the cranial bones

Back 38

1. frontal bone
2. parietal bones
3. occipital bone
4. temporal bones
5. sphenoid bone
6. ethmoid bone

Front 39

List the facial bones

Back 39

1. madibular bone
2. maxillary bones
3. zygomatic bones
4. nasal bones
5. lacrimal bones
6. vomer

Front 40

Shaped like the letter L; join with the maxillae and sphenoid bone

Back 40

palatine bones

Front 41

complete the nasal cavity by forming the side and lower wall.

Back 41

nasal conchae

Front 42

located just above the larynx and below the madible. Does not connect with other bones; suspended from temporal bone by ligaments. Serves at point of attachment for muscles of tongue and throat

Back 42

hyoid bone

Front 43

List the Veregral Bones

Back 43

1. Cervical Vertebrae (c1-c7)
2. Thoracic Vertebrae (T1-T12)
3. Lumbar Vertebrae (L1-L5)
4. Sacrum
5. Coccyx