Q.5. Write down the common features of the connective tissue on the basis of structure and function, differemtiate between bones and cartilages.
Answers
Comparison Chart
BASIS FOR COMPARISON
( Meaning )
1 Bones are the complex structure, made up of connective tissues which are hard and are helpful in providing protection, shape to the body.
1 Cartilage is the simple structure, made up of connective tissue which is soft and are useful in providing flexibility to the joints and also protect from the external and internal shocks.
(Features)
2 They are rigid, non-flexible, and tough.
2 They are flexible and are soft-elastic.
3 Bones grow in both directions (bidirectional).
3 Cartilage grows in single direction (unidirectional).
4 Haversian system and Volkmann's canals are present. 4Haversian system and Volkmann's canals are absent.
5 Bone marrow is present (it is a kind of haematopoietic tissue from which all blood cells are made).
5 Bone marrow is absent.
6 Lacunae possess canaliculi where each lacuna consist of only one cell (osteocyte).
6 Lacunae do not possess canaliculi, and each lacuna has two-three chondrocytes.
7 These are active participants of blood supply.
7 They are not the participants in blood supply, except in perichondrium.
(Types)
8 Two types
1. Compact bone.
2.Spongy bone.
8 Three types
1. Fibrocartilage.
2. Elastic cartilage.
3. Hyaline cartilage.
