ch. 1: Skel. Sys.

Question 1

what are the types of bone tissue

Answer 1

compact and spongy

Question 2

what are 3 features of compact bone

Answer 2

forms outside of bone, very dense, and contains osteons

Question 3

2 feats. of spongy bone

Answer 3

forms inner marrow, doesn’t contain osteons

Question 4

what are the 5 bone types

Answer 4

long, short, flat, irregular, and other

Question 5

2 feats. of long bones and example

Answer 5

cylindrical shaft w/ knobby ends, mostly compact bone tissue. ie) humerus

Question 6

2 feats. of short bones and example

Answer 6

sm. chunky solid bones, width=length. ie) carpals

Question 7

2 feats. of flat bones and example

Answer 7

broad flat shape, thin bones. ie) scapula, skull bones

Question 8

feat. of irregular bones and example

Answer 8

chunky, complex shapes.
ie) vertebra

Question 9

2 feats. of sesamoid bones and example

Answer 9

formed after birth in tendons, typically flexor tendons. ie) patella

Question 10

4 functions of bones

Answer 10

support/framework, protection, movement, hematopoiesis (blood cell formation)

Question 11

name 5 depressions and openings in bone

Answer 11

fissure, fossa, foramen, sulcus, meatus

Question 12

what is a sulcus

Answer 12

long, narrow groove (not as deep as fissure)

Question 13

what is a fossa

Answer 13

depression, usually longitudinal

Question 14

what is a meatus

Answer 14

external opening of a canal

Question 15

what is a foramen

Answer 15

perforation through a bone

Question 16

what is a fissure

Answer 16

deep furrow/cleft

Question 17

define condyle

Answer 17

rounded articular surface at extremity of bone

Question 18

define facet

Answer 18

small smooth area on bone, usually where another bone articulates

Question 19

define crest

Answer 19

bony ridge

Question 20

define line

Answer 20

long, narrow elevated mark/strip on bone

Question 21

define tubercle

Answer 21

nodule on bone usually for a tendon to attach to

Question 22

5 functions of the skeletal sys.

Answer 22

structure, protection, movement/muscle attachment, hematopoesis, mineral homeostasis, yellow bone marrow storage

Question 23

what’re the 2 general divisions of the skel. sys.

Answer 23

axial and appendicular

Question 24

components of compact bone are arranged into repeating structural units called ______

Answer 24

osteons

Question 25

Haversian canals in osteons allow _____ ______ to travel within

Answer 25

vascular bundles

Question 26

what kind of bone tissue is formed from branching bony trabeculae

Answer 26

spongy bone