Chapter 7: Skeletal System Gross Anatomy Intro

Question 1

How many bones does the average adult have?

Answer 1

206

Question 2

axial skeleton bones

Answer 2

bones down the center

skull, ossicles, hyoid, vertebral column, thoracic cage

Question 3

appendicular bones

Answer 3

anything that goes off to the side

upper and lower limbs, pelvic and pectoral girdles

Question 4

body

Answer 4

main part of the bone

Question 5

head

Answer 5

enlarged, often rounded head

Question 6

neck

Answer 6

construction between head and body

Question 7

margin/border

Answer 7

edge of a bone

Question 8

angle

Answer 8

a bend in the bone

Question 9

ramus

Answer 9

branch off the body beyond the angle

Question 10

condyle

Answer 10

smooth rounded articular surface

Question 11

facet

Answer 11

small, flattened articular surface

Question 12

process

Answer 12

sharp projection usually associated with a tendon or ligament connection

Question 13

tubercle

Answer 13

rounded projection associated with a tendon or ligament connection

Question 14

tuberosity

Answer 14

rounded projection larger than a tubercle

Question 15

trochanter

Answer 15

tuberosity on the proximal femur

Question 16

epicondyle

Answer 16

upon a condyle

Question 17

horn

Answer 17

horn-shaped process

Question 18

line or linea

Answer 18

low ridge

Question 19

crest or crista

Answer 19

prominent ridge

Question 20

spine

Answer 20

very high ridge

Question 21

foramen

Answer 21

a hole in the bone

Question 22

canal or meatus

Answer 22

tunnel

Question 23

fissure

Answer 23

cleft

Question 24

sinus or labrynth

Answer 24

mucous membrane-lined spaces in some skull bones

Question 25

fossa

Answer 25

general term for a depression in the bone

Question 26

notch

Answer 26

depression in the margin of a bone

Question 27

foramen

Answer 27

a hole in the bone associated with nerves or blood vessels

Question 28

groove or sulcus

Answer 28

deep narrow depression

Question 29

how many auditory ossicles are there?

Answer 29

six (auditory ossicles) (2) malleus (2) incus (3) stapes

Question 30

what are the braincase (neurocranium) bones?

Answer 30

Paired: parietals, temporals Unpaired: frontal, occipital, sphenoid, ethmoid

Question 31

what are the facial (viscerocranium) bones?

Answer 31

Paired: maxillae, zygomatics, palatines, lacrimals, nasals, inferior nasal conchae Unpaired: mandible, vomer

Question 32

hamulus

Answer 32

hook-shaped process

Question 33

lingula

Answer 33

flat, tongue-shaped process

Question 34

what are the four principle sutures in the. skull?

Answer 34

squamous coronal sagittal lamboid

Question 35

fovea

Answer 35

little pit in the bone