classification of bones, bone markings, long bone anat., osteon

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bones that are much longer than they are wide

long bones

spongy bone aka

cancellous bone

bones that are typically cube shaped

short bones

short bones formed in tendons

sesamoid bones

bones that do not fall into ant other category

irregular bones

bone that looks smooth and homogeneous

compact bone

tiny bones between cranial bones

wormian bones

thin bones with a layer of spongy bone between 2 layers of wafer-like layers of compact bone

flat bones

wormian bone aka

sutural bone

bone composed of small trabeculae (bars) of bone and lots of open space

spongy bone

example of a sesamoid bone

patella

example of a short bone

tarsals
carpals

example of an irregular bone

vertebrae

example of a long bone

femur
phalanges
tibia
fibula
humerus
radius
ulna

example of a wormian bone

squamous suture
lambdoid suture
coronal suture

example of a flat bone

skull bones: frontal bone, parietal bone, temporal bone

the scapula is a/an___________ bone

flat

bone of the pelvic girdle are_________ bones

irregular

the calcaneus is a/an _________ bone

irregular

the ribs are_________ bones

flat

the clavicle is a/an__________ bone

long

bone markings that allow blood vessels and nerves to pass are called

depressions and openings

name the 8 projections that are sites for muscle and ligament attachment

tuberosity
crest
trochanter
line
tubercle
epicondyle
spine
process

name the 4 projections that help form joints

head
facet
condyle
ramus

name 5 depressions / openings

meatus
fossa
groove
fissure
foramen / foramina

sharp, slender, often pointed projection

spine

narrow ridge of bone; usually prominent

crest

armlike bar of bone

ramus

space within a bone, filled with air and lined with mucous membrane

sinus

furrow

groove

very large, blunt, irregularly shaped process

trochanter

canal-like passageway

meatus

bony expansion carried on a narrow neck

head

large rounded projection, may be roughened

tuberosity

prominence or projection

process

smooth, nearly flat articular surface

facet

small round projection or process

tubercle

narrow, slit-like opening

fissure

bone marking that is a cavity

sinus

raised area on or above a condyle

epicondyle

shallow basin-like depression in a bone, often serving as an articular surface

fossa

rounded articular projection

condyle

narrow ridge of bone, less prominent than a crest

line

round or oval opening through a bone

foramen

delicate lining of the shaft of a long bone

endosteum

red marrow is located _______

in spongy bone
it is where blood is made

covers the epiphyis

articular cartilage

shaft of long bone

diaphysis

thin area of hyaline cartilage that allows for growth of long bones in youth

epiphyseal plate

fibrous membrane covering of the diaphysis of long bones

periosteum

central cavity of the shaft of long bones

medullary cavity

ends of long bones

epiphysis

adipose tissue stored in the shaft of long bones

yellow marrow

bone on the epiphysis after the bone has stopped growing

epiphyseal line

epiphyseal line aka

epiphyseal disc

remnants of lamellae that have been broken down

interstitial lamellae

mature bone cells that are in lacunae (chambers)

osteocytes

concentric circles around the centeal canal of the osteon

lamellae

fibers of the periosteum

perforating fibers

perforating fibers aka

Sharpey's fibers

runs parallel to the long axis of the bone and carries blood vessels and nerves through the bony matrix

central canal of the osteon

chambers that hold osteocytes

lacuna

tiny canal radiating out from the central canal of the osteon

canaliculi

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