Download MBBS Anatomy PPT 16 Cartilage Notes

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Histology of Cartilage

Learning objectives

? To know the types of cartilage and their location in body.

? To know the salient histological features of each type of cartilage.

? To be able to identify cartilage in a histology slide.

Classes of Connective Tissue

Cartilage

? Specialised Connective

tissue :

A. Cells

B. Extracellular components.

? No vessels or nerves.
? Perichondrium present






Extracellular matrix

Ground substance
? Hyaluronan
? chondroitin sulfates
? keratan sulfate

? Tropocollagen
? Collagen type II

Types of cartilages

? Hyaline cartilage

? Elastic cartilage

? Fibrocartilage

Hyaline cartilage

? Isogenous groups of chondrocytes

? Territorial matrix

? Interterritorial matrix

Elastic Cartilage

Located in
? epiglottis cartilage
? corniculate
? cuneiform cartilage
? external ear
? auditory tube.

? Elastic fibres

? Maintains shape


Fibrous Cartilage

? Transitional

? Chondrocytes lie in short rows.

? Perichondrium difficult to define.

Articular Cartilage

? Specialised form of hyaline

cartilage.

? Covers articulating ends of the

bones

Lubrication
wear-proof
slightly compressible
exhibit very little friction.

? No perichondrium and is partly

vascularized.

Layers

Growth in cartilages

? Appositional growth ?

? Interstitial growth ?

isogenous cells nest


Identify

This post was last modified on 05 April 2022