MICROANATOMY

EPITHELIUM CONNECTIVE TISSUE SKIN

EPITHELIA GLANDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these substances gives cartilage the ability to spring back after being compressed?
A
proteoglycan aggregates
B
elastic fibers
C
reticular fibers
D
collagen fibers
Explanation: 

Detailed explanation-1: -Unlike bone, cartilage does not have calcium in the matrix. Instead, it contains high amounts of chondroitin, which is the material that provides elasticity and flexibility.

Detailed explanation-2: -Type II. This collagen is found in hyaline and elastic cartilage and is produced by chondroblast activity. The fibers are thin and composed of fibrils arranged in a meshwork with copious amounts of proteoglycans.

Detailed explanation-3: -Elastic cartilage, sometimes referred to as yellow fibrocartilage, is a type of cartilage that provides both strength and elasticity to certain parts of the body, such as the ears. In elastic cartilage, chondrocytes are organised into elastic fibers, which make up a threadlike network or matrix.

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