Skeletal system

Question 1

Shaft of the long bone

Answer 1

Diaphysis

Question 2

Expanded ends of long bone

Answer 2

Ephysis

Question 3

spongy bone; resembles a network of bony rods or struts separated by spaces

Answer 3

cancellous bone

Question 4

outer surface of a bone

Answer 4

periosteum

Question 5

membranous lining of the inner hollow cavity of the bone

Answer 5

Endosteum

Question 6

central channel of the osteon that contains blood vessels and nerve fibers

Answer 6

Haversian canal

Question 7

supporting bundles of bony fibers in cancellous (spongy) bone

Answer 7

Trabeculae

Question 8

mature bone cells; maintain normal bone structure by recycling calcium salts, assist in repairs

Answer 8

Osteocytes

Question 9

produce new bone in process called osteogenesis

Answer 9

osteoblast

Question 10

the process of replacing other tissues with bone

Answer 10

ossification

Question 11

sheets of calcified matrix between which lacunae are found

Answer 11

Lamellae

Question 12

small cavities in bone that contain osteocytes

Answer 12

Lacunae

Question 13

small channels that connect lacunae and link them to nearby blood vessels

Answer 13

Canaliculi

Question 14

growth in width

Answer 14

appositional growth

Question 15

works with calcitrol to increase calcium levels in the body

Answer 15

parathyroid hormone

Question 16

derivative form of D3 produced in kidney which stimulates the absorption of calcium and phosphate ions in the digestive tract

Answer 16

Calcitriol

Question 17

depresses calcium levels in body fluids

Answer 17

Calcitonin

Question 18

blood clot that forms at the site of a broken bone

Answer 18

Fracture Hematoma

Question 19

cortex buckles but does not break

Answer 19

torus fracture

Question 20

broken bone ends are forced into each other

Answer 20

impacted fracture

Question 21

fracture of the distal radius at the wrist; creates fork shape

Answer 21

Colles fracture

Question 22

inadequate ossification

Answer 22

osteopenia

Question 23

any projection or bump

Answer 23

process

Question 24

An extension of a bone making an angle with the rest of the structure

Answer 24

ramus

Question 25

large, rough projection

Answer 25

Trochanter

Question 26

small rough projection

Answer 26

tuberosity

Question 27

small rounded projection

Answer 27

Tubercle

Question 28

prominent ridge

Answer 28

crest

Question 29

low ridge

Answer 29

line

Question 30

pointed process

Answer 30

spine

Question 31

expanded articular end of an epiphysis, often separated from the shaft by a narrower neck

Answer 31

head

Question 32

A narrow connection between the epiphysis and the diaphysis

Answer 32

neck

Question 33

smooth, rounded articular process

Answer 33

condyle

Question 34

smooth, grooved articular process shaped like a pulley

Answer 34

trochlea

Question 35

small, flat articular surface

Answer 35

facet

Question 36

shallow depression

Answer 36

fossa

Question 37

narrow groove

Answer 37

sulcus

Question 38

rounded passageway for blood vessels or nerves

Answer 38

foramen

Question 39

passageway through the substance of a bone

Answer 39

canal

Question 40

elongated cleft

Answer 40

fissure

Question 41

chamber within a bone, normally filled with air

Answer 41

sinus

Question 42

opening for a major sensory nerve from the face

Answer 42

infraorbital foramen

Question 43

between parietal bones

Answer 43

sagittal suture

Question 44

the suture between the parietal and frontal bones of the skull

Answer 44

coronal suture

Question 45

the suture between the parietal and frontal bones of the skull

Answer 45

lambdoid suture

Question 46

sites of articulation between the skull and the vertebral column

Answer 46

occipital condyles

Question 47

pole-like process extending downward from the temporal bone on each side of the skull; attached to ligaments that support the hyoid bone

Answer 47

styloid process

Question 48

"Turk's saddle"; depression in the sphenoid bone where the pituitary gland is located

Answer 48

sella turcica

Question 49

holes in this surface of the ethmoid permit passage of the olfactory nerves

Answer 49

cribriform plate

Question 50

cheekbone

Answer 50

zygomatic arch

Question 51

a U-shaped bone in the neck that supports the tongue, larynx, and pharynx

Answer 51

hyoid

Question 52

thoracic and sacral

Answer 52

primary spinal curves

Question 53

cervical and lumbar

Answer 53

secondary spinal curves

Question 54

C1

Answer 54

atlas

Question 55

c2

Answer 55

axis

Question 56

first 7 pairs of ribs; attach directly to sternum

Answer 56

true ribs

Question 57

ribs 8-12; do not attach directly to sternum

Answer 57

false ribs

Question 58

socket in scapular that receives head of humerus

Answer 58

glenoid cavity