Chapter 7 skeletal system

Question 1

Skeletal system includes

Answer 1

Bones, cartilages, ligaments, and connective tissue

Question 2

functions of the skeletal system

Answer 2

Support, protection, movement & leverage, storage, hematopesis

Question 3

What do the bones store

Answer 3

Fat and minerals

Question 4

What are the 2 structures of bone

Answer 4

Compact and spongy bone

Question 5

Compact (cortical) bone

Answer 5

dense,looks smooth and homogeneous

Question 6

Spongy bone

Answer 6

Composed of small needle-like pieces of bone and lots of open space

Question 7

What are the different shapes

Answer 7

Long, short, flat, irregular

Question 8

Long

Answer 8

shaft with heads at both end, mostly compact bone, found in limbs

Question 9

Short

Answer 9

cube-shaped, contain mostly spongy bone

Question 10

sesamoid

Answer 10

special kind of short bone that forms inside tendons

Question 11

Flat

Answer 11

thin, flattened, usually curved, outside is compact, inside is spongy

Question 12

wormian

Answer 12

Special kind of flat bone found in cranial structure lines

Question 13

Irregular

Answer 13

Bones that don’t fit into any of the other categories

Question 14

Gross anatomy

Answer 14

Study of a long bone

Question 15

Diaphysis

Answer 15

Shaft, makes up most of bones length, composed of compact bone

Question 16

periosteum

Answer 16

Fibrous connective tissue membrane that covers the diaphysis

Question 17

Medullary (Yellow marrow) Cavity

Answer 17

Stores adipose tissue in adults; makes red blood cells in infants

Question 18

Endosteum

Answer 18

lines the marrow cavity and other inner surfaces

Question 19

Red marrow

Answer 19

found in the medullary cavity of infants; in adults it’s found in the spongy bone layer of flat bones and the spiphyses of some long bones

Question 20

Epiphysis

Answer 20

wide part at ends of a long bone, thin layer of compact bone covering an area filled with spongy bone, articulates with other bones

Question 21

Articular cartilage

Answer 21

covers the epiphysis made of hyaline cartilage, slipper to reduce friction

Question 22

Epiphyseal line

Answer 22

Found in epiphysis made of adult long bones, remnant of epiphyseal plate (growth plate)

Question 23

Bone markings

Answer 23

Bumps, holes, and ridges found all over the surface and indicates locations where muscles, tendons, and ligaments attach.