Flashcards in G.A. Osteology Deck (33)
cartilage is replaced by bone
forms haversion canals
aka central canals - core of osteon
lacunae are between?
mature cells in lacunae
osteocytes to communicate with each other in the lacunae
cancellous bone aka?
major inorganic component of bone
what do osteoblasts do?
make bone- build bone
what do osteoclasts do?
breakdown/ reabsorbs bone
where do you feel pain in your bone?
Appendicular skeleton has how many bones?
126- greatest ROM, unfused
Pectoral girdle (clavicle, scapula), arm, forearm, hands, pelvis, thigh, leg, feet, ankles
Axial skeleton has how many bones?
80- sacrum & coccyx fuse
skull, spine, ossicles of middle ear, hyoid, ribs & sternum
total bones in body?
If you fracture the surgical neck of humerus what could you damage?
if you fracture the shaft of humerus you could damage?
1st bone to ossify
intertubercular groove- bicipital tendon location
capitulum- art with radius
trochlea- art with ulna
styloid process (at wrist)
listers tubercles- locator for lunate
semilunar notch (trochlear notch)
head of ulna (at wrist)
proximial row-(thumb side) scaphoid, lunate, triquetrium, pisiform (pinky side)
Distal row-(thumb side) trapezium, trapezoid, capitate, hamate (under pinky)
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
Heberdens nodes are found where?
DIP joints- associated with OA, psoriatic arthritis
Buchards nodes are found where?
PIP joints- associated with OA, RA, psoriatic arthritis
Haygarts nodes are found where?
MCP joints- associated with RA
iliopectineal line (arcuate line)- sciatic nerve
greater sciatic notch
post. gluteal line
lesser sciatic notch- pudendal nerve
ischial tuberosity- bears weight of body when seated
Pubis: obturator foramen
greater trochanter- lateral
lesser trochanter- medial
intertriochanteric line & crest
linea aspera- posterior
how is the acetabulum made up?
ischium, ilium, pubis meet up to form it
head- common peroneal nerve