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Unit exam 2 Skeletal

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
Created by: 1178389236



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