Skeletal System Flashcards
(40 cards)
Form the longitudinal axis of the body
Axial Skeleton
Limbs and girdles
Appendicular Skeleton
A dense bone that looks smooth and homogeneous
Compact Bone
A bone that is made up of small needlelike pieces of bone and lots of open space
Spongy Bone
Bones that are typically longer than they are wide with a head at both ends, mostly compact
Long Bones
Normally cube shaped and mostly spongy bone; wrist and ankle
Short Bones
Thin flattened bones, usually curved; Skull
Flat Bones
Bones that don’t fit into any category
Irregular Bones
The shaft of the bone
Diaphysis
the connective fiber that protects the diaphysis
Periosteum
Remnant of the epiphyseal plate
Epiphyseal Line
Bone breaks into many fragments
Comminuted Fracture
Bone is crushed
Compression Fracture
Broken Bone is pressed inward
Depressed Fracture
Broken Bone ends are forced into each other
Impacted Fracture
Ragged Break of bone
Spiral Fracture
Bone breaks incompletely
Greenstick Fracture
Blood filled swelling caused by a rupture of a blood vessel from bone break
Hermatoma
Encloses and protects the brain tissue; part of the skull
Cranium
Most posterior bone of the cranium
Occipital Bone
The spine, extends from skull
Vertebral column
24 of these are in the spine
Vertebrae
Pads of flexible fibrocartiliage that cushion the vertebrae
Intervertebral Discs
First 7 vertebrae of the spine; near the neck
cervical vertebrae