tissues

Tissues P2-Cartilage and Bones
CARTILAGE in between dense CTand bone
avascular t devoid ofnerves

ground substancecontains glycosaminoglycans GAG
collagenfibres someelastic

up to 80 H2O surrounded by perichondrium
perichodrum can form scar tissue poorlyvascularized repairsbadly
Differenttypes
hyalinecartilage
mostabundantfirmsupportpliability
lotsofcollagenglassybluewhitechondrocytes 110 ofvolume
embryonicskeleton ribsnose trachea larynx

elastic cartilage
external ear and epiglottis
Maintains shapewhilegiving flexibility

fibrocartilage
alternating rows of chondrocytes and collagen
invertebral discskneejointdiscs pubic symphysis
tensile strength absorbingcompressive shock
BONETISSUE
Jonesreact to the amountofforceby P densityroughening deposition

Ca is resorbed when blood Castlevels are low

longbones
morelengththanwidth compactwithmarrow cavity spongy near ends

shortbones
roughlycubeshapedmostlyspongy thin compact outerlayer

flat bone
thinflattenedmaybecurvedskullribs breastbone
irregularbones
leftoverscomplicatedshapesspongybone compactoutside