G.A. Osteology Flashcards Preview

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Flashcards in G.A. Osteology Deck (33)
1

Endochondral ossification

cartilage is replaced by bone

2

intramembranous ossification

membranous bone

3

compact bone

aka lamellae
forms haversion canals

4

haversion canals?

aka central canals - core of osteon

5

lacunae are between?

lamellae

6

osteocytes are?

mature cells in lacunae

7

canaliculli allow?

osteocytes to communicate with each other in the lacunae

8

cancellous bone aka?

spongy bone

9

hydroxyapatite is?

major inorganic component of bone

10

what do osteoblasts do?

make bone- build bone

11

what do osteoclasts do?

breakdown/ reabsorbs bone

12

where do you feel pain in your bone?

perisoteum

13

Appendicular skeleton has how many bones?

126- greatest ROM, unfused
Pectoral girdle (clavicle, scapula), arm, forearm, hands, pelvis, thigh, leg, feet, ankles

14

Axial skeleton has how many bones?

80- sacrum & coccyx fuse
skull, spine, ossicles of middle ear, hyoid, ribs & sternum

15

total bones in body?

206

16

If you fracture the surgical neck of humerus what could you damage?

Axillary nerve

17

if you fracture the shaft of humerus you could damage?

Radial Nerve

18

Scapula process?

spine
acromion
coracoid
scapular notch

19

clavicle process?

conoid
1st bone to ossify

20

Humerus info.?

greater/lesser tubercles
deltoid tuberosity
intertubercular groove- bicipital tendon location
med/lat epicondyles
capitulum- art with radius
trochlea- art with ulna
olecranon fossa

21

Radius info.?

Fovea
radila tuberosity
ulnar notch
styloid process (at wrist)
listers tubercles- locator for lunate

22

Ulna info.?

olecranon process
semilunar notch (trochlear notch)
coronoid
radial notch
head of ulna (at wrist)
styloid process

23

wrist carpals

proximial row-(thumb side) scaphoid, lunate, triquetrium, pisiform (pinky side)
Distal row-(thumb side) trapezium, trapezoid, capitate, hamate (under pinky)

24

snuffbox borders? what nerve goes through it?

ext. poll. longus, ext. poll. brevis, abductor poll. longus, floor is scaphoid.
radial nerve goes through it- check radial pulse here

25

Heberdens nodes are found where?

DIP joints- associated with OA, psoriatic arthritis

26

Buchards nodes are found where?

PIP joints- associated with OA, RA, psoriatic arthritis

27

Haygarts nodes are found where?

MCP joints- associated with RA

28

Ilium Info.?

iliopectineal line (arcuate line)- sciatic nerve
greater sciatic notch
post. gluteal line

29

ischium info?
Pubis info?

lesser sciatic notch- pudendal nerve
ischial tuberosity- bears weight of body when seated
Pubis: obturator foramen

30

Femur info?

acetabulum
greater trochanter- lateral
lesser trochanter- medial
intertriochanteric line & crest
linea aspera- posterior
adductor tubercle

31

how is the acetabulum made up?

ischium, ilium, pubis meet up to form it

32

fibula info?

head- common peroneal nerve
lateral malleolus

33

foot bones (tarsals)?

7 tarsals
1,2,3 cuneiforms
cuboid
navicular
talus
calcaneus