A variation can mean something that is slightly different from similar items of its type (also a variant or variety). It can also apply to a difference itself (e.g. a variat â¦ ion in temperature). In mathematics, variation is the function that compares values among variables.
Cartilage is a type of elastic connective tissue which acts as rubber-like padding to cover and protect the ends of bones at joints. It is a dense matrix of elastic and collagen fibers which are embedded in rubber like ground substance.
1 is a form of connective tissue transitional between dense connective tissue and hyaline cartilage. 2  Chondrocytes may lie singly or in pairs, but most often they form short rows between dense bundles of collagen fibres. 3  In contrast to other cartilage types, collagen type I is dominant in fibrous cartilage.