Intro to Skel

Question 1

adult bones

Answer 1

206

Question 2

adult teeth

Answer 2

32

Question 3

func of bones

Answer 3

• form skel
• movement
• protection
• mineral storage
• bone marrow

Question 4

bone fibre shape

Answer 4

matrix

Question 5

bone struct

Answer 5

90% collagen (org)
10% hydroxyapatite (calcium phosphate)
light but heavy duty

Question 6

func of hydroxyapatite

Answer 6

rigidity and struct

Question 7

func of collagen

Answer 7

flexibility

Question 8

gross anatomy

Answer 8

seeable w naked eye

Question 9

periosteum

Answer 9

tough vascular membrane covering outside of living bone

Question 10

endosteum

Answer 10

cellular membrane lining inside of living bone

Question 11

medullary cavity

Answer 11

hollow space in long bones where yellow marrow is

Question 12

compact/cortical bone

Answer 12

smooth and dense
external and lining medullary cavity

Question 13

subchondral bone

Answer 13

under cartilage/joint

Question 14

spongy/trabecullar/cancellous bone

Answer 14

• ident to cortical bone molecularly
• more porous
• inside bones
• provide lightweight support

Question 15

osteoporosis

Answer 15

thinning of trabeculae that form spongy bone

Question 16

diaphysis

Answer 16

primary centre of ossification

Question 17

epiphysises

Answer 17

secondary centres of ossification
- made of subchondral bone

Question 18

metaphysises

Answer 18

areas that widen to accommodate growing epiphysises

Question 19

where is red marrow located?

Answer 19

in spongy bone

Question 20

epiphyseal line

Answer 20

there epiphysis and metaphysis join

Question 21

parietals

Answer 21

upper/side skull

Question 22

temporals

Answer 22

side, just above ear

Question 23

zygomatics

Answer 23

cheekbone

Question 24

nasal conchae

Answer 24

inside skull in nose

Question 25

palatines

Answer 25

back of upper palate

Question 26

lacrimals

Answer 26

inside of eye socket, middle back

Question 27

maxillae

Answer 27

upper jaw/upper palate

Question 28

3 ear bones from external to internal

Answer 28

malleus incuse stapes

Question 29

occipital

Answer 29

back/bottom

Question 30

frontal

Answer 30

forehead

Question 31

sphenoid

Answer 31

butterfly behind eyes at temple

Question 32

vomer

Answer 32

separates nasal cavity

Question 33

ramus

Answer 33

vertical part of jaw, connects w skull at mandibular condyle

Question 34

body (jaw)

Answer 34

horizontal part

Question 35

mental foramen

Answer 35

for blood vessels and jaw

Question 36

coronal suture

Answer 36

top of head, left to right

Question 37

saggital suture

Answer 37

front to back, coronal to lambdoidal

Question 38

lambdoidal suture

Answer 38

triangle at back of head

Question 39

occipital condyle

Answer 39

connector to 1st cervical vertebra

Question 40

petrous bone

Answer 40

pyramid, bony outside of ear canal

Question 41

mandible

Answer 41

lower jaw

Question 42

cranium

Answer 42

skull w/o mandible

Question 43

calveria

Answer 43

cranium w/o face

Question 44

calotte

Answer 44

calveria wo the base (just cap)

Question 45

splanchnocranium

Answer 45

face only

Question 46

number of skull parts at birth

Answer 46

45

Question 47

fontanelle

Answer 47

membrane btwn sep plates of baby skulls

Question 48

metopic suture

Answer 48

frontal, disappears into adulthood (50s)

Question 49

meningeal grooves

Answer 49

for soft tissues

Question 50

hyoid

Answer 50

u shaped above esophagus for tongue and thyroid breaks w strangulation

Question 51

wormian bones

Answer 51

atypical, in sutures, intramembranous ossification

Question 52

axial skel

Answer 52

spinal column, sternum, manubrium, ribs, ossa coxae

Question 53

number of spinal vertebrae

Answer 53

33

Question 54

regions and number of spinal vertebrae

Answer 54

7 cervical 12 thoraic 5 lumbar sacrum coccyx

Question 55

atlas

Answer 55

C1 that arts w skull

Question 56

C2 traits

Answer 56

has dips on both sides to art w atlas

Question 57

spinal discs

Answer 57

cartilage btwn the art facets of vertebrae

Question 58

spinus process

Answer 58

posterior spikes to protect spinal cord

Question 59

defining feature of C vertebrae

Answer 59

transverse foramen

Question 60

defining feature of T vertebrae

Answer 60

costal (rib) facets looks like a giraffe

Question 61

defining feature of L vertebrae

Answer 61

square/rectangular spinus process

Question 62

which vertebrae do the sternum and manubrium art w

Answer 62

T1-T7

Question 63

why ribs 8-10 "false ribs"

Answer 63

not art w sternum, arts w cartilage that arts w sternum

Question 64

use which rib to indent

Answer 64

4