introduction of skeletal Flashcards
skeletal system includes the following (5)
BONES
JOINTS
CARTILAGE
LIGAMENTS
TENDONS
comes from the greek word means “dried-up” body
SKELETON
2 subdivisions
AXIAL SKELETON
APPENDICULAR SKELETON
5 functions of the bones
SUPPORT
PROTECTION
MOVEMENT
STORAGE
HEMATOPOIESIS
classification of the bone according to structure
SPONGY BONE (DIPLOE)
COMPACT BONE
has a spiky, open appearance like a sponge
SPONGY BONE (DIPLOE)
is dense and looks smooth and homogeneous
COMPACT BONE
4 classification of bone according to shape
LONG BONES
SHORT BONES
FLAT BONES
IRREGULAR BONE
all bones of the limbs except patella, wrist and ankle; mostly compact
LONG BONES
generally cube-shaped; mostly spongy; wrist and ankle
SHORT BONES
thin, flattened and usually curved
FLAT BONES
does not fit to above category
IRREGULAR BONE
example of long bone
HUMERUS
example of short bone
TALUS
example of flat bone
STERNUM
example of irregular bone
VERTEBRA
8 structure of long bone
EPIPHYSIS
DIAPHYSIS
ARTICULAR CARTILAGE
SHARPEY’S FIBER
PERIOSTEUM
ENDOSTEUM
EPIPHYSEAL PLATE/LINE
MEDULLARY CAVITY
ends of bone
EPIPHYSIS
body of bone/shaft
DIAPHYSIS
covering end of the bone/epiphysis
ARTICULAR CARTILAGE