Write down the common features of the connective tissue. On the basis of structure and function. Differentiate between bones and cartilages.

 

 
Common features of connective tissue are
 
(i) Connective tissue is the most abundent and widely distributed tissue of the body. It connect with tissue with organs and also provides support to various body structures in animals.
 
(ii) Connects tissue is developed from the embroyonic mesoderm.
 
(iii) Three components are majorly present in the connective tissue matrix, cells and fibres.
 
(iv) The extracellular matrib has nearly amorphous ground substance made of glycoproteins with associated monopolysaccharides. This ground substance may be liquid, gel or solid.
 
(v) The tissue has good amount of regenerative ability.
 
(vi) Functions of connective tissue include storage of energy, protection of organs and body's structural integrity.
 
 
Differences between Bone and Cartilage
 

 

Bone 

Cartilage

Type

Bones are either compact or spongy. Bones are classified into long, short, flat, irregular sesamoid and structural bones.

Hyaline cartilage,fibro Cartilage and elastic cartilage

Function

Protect the body against the mechanical damage, assist in the movement of the body, provide a framework and shape for the body, store minerals and produce red blood and white blood cells.

Reduces friction at joints, supports the respiratory tract, acting as shock absorbers between weight bearing bones and maintaining the shape and flexibility offleshy appendages.

Structure

Bones are made up of mostly of osteoblasts (progenitor cells), osteocyte (mature bone Cell) and osteoclasts (large cells, that breakdown bone tissue for growth and repair). A bone is highly vascularised.

Cartilages comprise chondroblasts (precursorcells), chondrocytes and dense matrix of collagen and elastic fibres in which the mature chondracytes are embedded, cartilage is vascular.

Location

Bones make up the majority of the axial and appendicular skeleton.

Cartilage is much softer, more pliable component that is mostly found in between joints of bones (articular cartilage).

Fibrous covering

Periosteum is rich in sensory nerve endings.

Perichondrium (but does not surround articular cartilage).