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  4. In the given diagram of a section of hyaline cartilage, the different parts have been indicated by alphabets. Choose the answer in which these alphabets correctly match with the parts they indicate <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/07de08e9ae54d1f27324a9c168c13f18-.png /> A B C D (a) Perichondrium Chondrocyte Lacuna Capsular matrix (b) Blood vessel Chondrocyte Lacuna Perichondrium (c) Matrix Chondrocyte Lacuna Perichondrium (d) Matrix Lacuna Chondro -cyte Capsular matrix

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Q. In the given diagram of a section of hyaline cartilage, the different parts have been indicated by alphabets. Choose the answer in which these alphabets correctly match with the parts they indicate
image
A B C D
(a) Perichondrium Chondrocyte Lacuna Capsular matrix
(b) Blood vessel Chondrocyte Lacuna Perichondrium
(c) Matrix Chondrocyte Lacuna Perichondrium
(d) Matrix Lacuna Chondro -cyte Capsular matrix

Structural Organisation in Animals

Solution:

A cartilage cell is present in a fluid filled space, the cartilage lacuna. Matrix essentially consists of water, proteoglycans (proteins and carbohydrates), some lipids, collagen, noncollagenous protein and collagen fibres. Mature cells are larger in size, more rounded, but still have a few surface projections and are known as chondrocytes. The free surfaces of hyaline cartilage are covered by a fibrous membrane called the perichondrium but it is not present in fibrous cartilage