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Unit exam 2 Skeletal
Question | Answer |
---|---|
short bone | example: carpals (wrist) |
long bone | example: humerus (arm) |
flat bone | example: frontal (skull) |
irregular bone | example: vertebrae (spinal cord) |
diaphysis | hollow tube of hard compact bone |
epiphysis | cancellous bone that constains red bone marrow |
periosteum | strong membrane covering bone everywhere except joint surfaces |
endosteum | thin membrane lining medullary cavity |
osteoclasts | reabsorb bone |
osteocytes | bone cells |
chondrocystes | cartilage cell type |
osteoblasts | form new bone |
axial skeleton | skull, vertebral column, ribs and sternum |
appendicular skeleton | 1. Girdles: these are of two types: pectoral, pelvic girdle. 2. Limb bones: There are two pairs of limbs: a pair of forelimbs and a pair of hind limbs. |
thoracic vertabrae | compose the middle segment of the vertebral column |
cheekbone (zygomatic bone) | the arch of bone beneath the eye that forms the prominence of the cheek |
upper jaw bone | the jaw in vertebrates that is fused to the cranium |
occipital | saucer-shaped membrane bone situated at the back and lower part of the cranium |
true ribs | any of the ribs that are attached to the breast bone (sternum): the seven upper ribs |
false ribs | no direct attachment to the breast bone (sternum): the lower five |
floating ribs | attached to the vertebrae only: two lowermost pairs |
phalanges | finger bones |
ulna | elbow bone (the other large bone on forearm) |
radius | large bone on forearm |
tibia | shin bone |
fibula | calf bone |
metacarpals | "knuckles" of the hand. |
tarsals | ankle bone |
ribs | long curved bones which form the cage |
femur | thigh bone |
humerus | long bone in the arm or forelimb that runs from the shoulder to the elbow |
mandible | lower jaw forming the skull with the cranium |
carpals | wrist bones |
metatarsals | five long bones in the foot |
patella | kneecap |
diarthrotic joint | exhibits essentially free movements |
amphiarthrotic joint | offer a level of movement together with a level of sturdiness |
synarthrotic joint | are essentially immovable |