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What is The type of cartilage shown in the colour plate: and explain in detail?
There are three types of cartilage:

Hyaline—most common; matrix contains a moderate amount of collagen fibers (e.g., articular surfaces of bones)
Elastic—matrix contains collagen fibers along with a large number of elastic fibers (e.g., external ear)
Fibrocartilage—matrix contains a limited number of cells and ground substance amidst a substantial amount of collagen fibers (e.g., intervertebral discs).