skeletal system--- types of bones Flashcards
how are bones classified
by shape —
long bones
short bones
flat bones
irregular bones
sesamoid bones
what is the longest section of long bones
bone shaft or diaphysis
what are the ends of long bones called
epiphyses
what are the major bones of the upper and lower arms and legs
femur
radius
ulna
tibia
fibula
the femur, radius, ulna, tibia, and fibula are classified as what type of bone
long bone
the phalanges (finger and toe bones) and the clavicles (collar bones) are classified as what type of bone
long bone
more long bones have what type of cavities
medullary cavities
what are long bones a major site of
eythropoiesis
what type of bone have variable shapes often cuboidal with dimensions of length width and height that are roughly equivalent
short bones
examples of short bones are
tarsal ( bones in the foot) and carpal bones( bones in the hand)
what type of bones have nonsymmetrical shapes
irregular bone
examples of irregular bones are
skull, elbow, pelvis, knee, spinal, vertebrae, bones of the middle ear
what type of bone is thin with a high surface area
flat bones
flat bones have an outer layer of what type of bone
cortical bone
flat bones have a thin central layer of what type of bone
trabecular bone