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 Skeletal cartilages are made from cartilage, surrounded by a layer of dense irregular connective tissue called the perichondrium. 2  Hyaline cartilage is the most abundant skeletal cartilage, and includes the articular, costal, respiratory, and nasal cartilages. Basic Structure, Types, and Locations. 2  Skeletal cartilages are made from cartilage, surrounded by a layer of dense irregular connective tissue called the perichondrium.