planes of reference to study the relationship of one structure to the other or to accurately explain its position, certain standard planes of references are used. an anatomical plane is a hypothetical plane used to transect the human or animal body, in order to describe the location of structures or the direction of movements. in human and animal anatomy, three basic planes are used. the body is divided by three principal planes. the 3- dimensional configuration of these planes is much like the plywood structure. szlovákul
