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skeletal vocab.
chapter 27 skeletal system vocabulary
Question | Answer |
---|---|
Outermost layer of the bone, made up of fibrous tissue | periosteum |
dense,hard layers of bone tissue that lie underneath the periosteum | compact bone |
contains little spaces like a sponge and is encased in the layers of compact bone | cancellous(spongy) bone |
membranous lining of the hollow cavity of the bone | endosteum |
shaft of the long bones | diaphysis |
end of each long bone | epiphysis |
material found in the cavities of bones | bone marrow |
thick, blood-like material found in flat bones and the ends of long bones | red marrow |
soft, fatty material found in the medullary cavity of long bones | yellow marrow |
upper jawbone | maxilla |
lower jawbone | mandible |
made of bones called vertebrae through which the spinal cord runs | vertebral column |
first set of seven bones, forming the neck | cervical vertebrae (C1-C7) |
second set of 12 vertebrae | thoracic vertebrae (T1-T12) |
third set of 5 larger vertebrae | lumbar vertebrae (L1-L5) |
next 5 vertebrae that are fused together to form a triangular bone positioned between the hips | sacrum |
four vertebrae fused together to form the tailbone | coccyx |
collarbone | clavicle |
shoulder blade | scapula |
breastbone | sternum |
lower portion of the sterum | xiphoid process |
upper arm bone | humerus |
lower arm bones | ulna and radius |
wrist bones | carpal bones |
hand bones | metacarpal bones |
finger and toe bones | phalanges |
made up of three bones fused together | pelvic and hip bones |
lower,rear portion on which one sits | ischium |
upper, wing shaped part of each side of the hip | ilium |
anterior portion of the pelvic bone | pubis |
large socket in the pelvic bone for the head of the femur | acetabulum |
upper leg bone | femur |
lower leg bones | tibia and fibula |
kneecap | patella |
ankle bones | tarsal bones |
heel bone | calcaneous |
foot bones | metatarsal bones |