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.
Index of images. Cartilage and bone are specialized connective tissues consisting of cells embedded in an extracellular matrix. The matrix is rich in glycosaminoglycans, glycoproteins and collagen [primarily types I (bone) and II (cartilage)].