Chapter 4Cartilage & BoneHelical coursefbersvesse
Chapter 4 Cartilage & Bone
I. Cartilage1.Features of cartilage2.Structure of cartilage tissue3.Perichondrium4.Classificationof cartilage5.Growthof cartilage
Ⅰ. Cartilage 1.Features of cartilage 2.Structure of cartilage tissue 3.Perichondrium 4.Classification of cartilage 5.Growth of cartilage
1.Featuresof cartilageCartilage:organ=Cartilage tissue+perichondriumCartilage tissue is a specialized connective tissue.Cartilage tissue= Cells + matrix(fibers+ g.s.)
Cartilage: organ = Cartilage tissue + perichondrium Cartilage tissue is a specialized connective tissue. Cartilage tissue = Cells + matrix (fibers+ g.s.) 1.Features of cartilage
Avascular;Nutrients diffusion from perichondrium orsynovial fluid;No innervation;No lymphatic vessels;Chondrocytes have low metabolic activityFunction: support, connection, slidingsurfaceforjoints
Avascular; Nutrients diffusion from perichondrium or synovial fluid; No innervation; No lymphatic vessels; Chondrocytes have low metabolic activity. Function: support, connection, sliding surface for joints
2. Structure of cartilagetissueCellsChondrocytes: located within matrix (lacunae)Extracellularmatrix(cartilagematrix):[Fibers : Collagen and elastic fibersGround substance:hyaluronicacid,proteoglycans,glycoproteins
2. Structure of cartilage tissue Cells Chondrocytes: located within matrix (lacunae) Extracellular matrix (cartilage matrix): Fibers : Collagen and elastic fibers Ground substance: hyaluronic acid, proteoglycans, glycoproteins