Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features.. This includes aspects of the outward appearance (shape, structure, colour, pattern, size), i.e. external morphology (or eidonomy), as well as the form and structure of the internal parts like bones and organs, i.e. internal morphology (or anatomy).

Morphology, from the Greek and meaning "study of shape", may refer to: . Disciplines. Morphology (archaeology), study of the shapes or forms of artifacts Morphology (astronomy), study of the shape of astronomical objects such as nebulae, galaxies, or other extended objects Morphology (biology), the study of the form or shape of an organism or part thereof