chapter 2

Question 1

axial skeleton

Answer 1

skull, vertebral column, and thorax

Question 2

appendicular skeleton

Answer 2

126 limbs, 2 bones in the pectoral girdle, and 2 of the bones in the pelvic girdle

Question 3

pectoral girdle

Answer 3

attaches the upper limbs to the axial skeleton (anterior clavicle + posterior scapula)

Question 4

pelvic girdle

Answer 4

the coxal (hip) bones attach the lower limbs to the axial skeleton

Question 5

bone markings

Answer 5

bumps, holes and ridges in bones

Question 6

projections (bone marking)

Answer 6

serve as sites of the muscle attachment or help form joints

Question 7

depression (cavities,indentations, or openings) (bone marking)

Answer 7

conduits for nerve and blood vessels

Question 8

tuberosity

Answer 8

large rounded projection may be roughened

Question 9

crest

Answer 9

narrow ridge of bone usually prominent

Question 10

trochanter

Answer 10

very large, blunt, irregularly shaped process

ex. femur

Question 11

line

Answer 11

narrow ridge of bone. less prominent than crest

Question 12

tubercle

Answer 12

small rounded projection or process

Question 13

epicondyle

Answer 13

raised area on or above a condyle

Question 14

spine

Answer 14

sharp, slender, often pointed projection

Question 15

process

Answer 15

any bony prominence

Question 16

head

Answer 16

bony expansion carried on a narrow neck

Question 17

facet

Answer 17

smooth, nearly flat articular (joint) surface

Question 18

condyle

Answer 18

rounded articular projection often articulates with corresponding fossa

Question 19

surfaces that help to form joints

Answer 19

head, facet, and condyle

Question 20

depressions and openings for passage of blood vessels and nerves

Answer 20

groove, fissure, foramen, notch, meatus, sinus, and fossa

Question 21

groove

Answer 21

furrow

Question 22

fissure

Answer 22

narrow, slit like opening

Question 23

foramen

Answer 23

round or oval opening through a bone

Question 24

notch

Answer 24

indentation at the edge of a structure

Question 25

meatus

Answer 25

canal like passageway

Question 26

sinus

Answer 26

cavity witching a bone, filled with air and lined with mucous membrane

Question 27

fossa

Answer 27

shallow, basin like depression in a bone often serving as an articular surface