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The Skeletal System

Skeletal system key terms

appendicular skeleton forms the extremities and is composed of the shoulder gridle,arm bones,pelvic gridle,and leg bones
axial skeleton forms the msin trunk of the body and is composed of the skull,spinal column,ribs and breastbone
carpals wrist
clavicles collarbones
cranium the speherical structure that surrounds and protects the brain
diaphysis the long shaft of bones
endosteum a membrane that lines the medulary canal and keeps the yellow marrow intact
epiphysis ends
femur thigh
fibula smaller bone of lower leg that attaches to the approximal end of the tibia
fontanels spaces or soft spots allow for the enlargement of the skull as brain growth occurs
formina openings in bones that allow neves andblood vessels to enter or leave the bone
humerus upper arm
joints areas where two or more bones join together
ligaments connective tissue bands
medullary canal a cavity in the diaphysis
metacarpals palm of hands
metatarsals bones in foot
os coxae hip bones or coxal
patella knee cap or knee bone
periosteum thick white membrane that covers the surface of a longn bone
phalanges fingers or toes
red marrow semi - fluid substance located in th small spaces of cancellous bone that is the source of blood cell production
scapulas shoulder bones
sinus opening or hollow space in bone
sternum breastbone
sutures immovible joints
ribs costae
radius lower arm
ulna large bone in lower arm
vertabrae segments in spinal column
yellow marrow fat cells
Created by: Technofrk1644