Allometry

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Allometry

Allometry (/əˈlɒmɪtri/; from Greek: ἄλλος, állos, "other", and μέτρον, métron, "measure") is the study of the relationship of body size to shape, anatomy, physiology and finally behaviour, first outlined by Otto Snell in 1892, D'Arcy Thompson in 1917 in On Growth and Form, and Julian Huxley in 1932.

Etymology

The term "allometry" originated from the Greek words "allos" (other) and "metron" (measure). It was first used in the biological context by Julian Huxley in 1932.

Definition

In Biology, allometry is the study of the change in proportion of any of the parts of an organism in relation to the whole. It can be studied in a variety of ways, including comparing the body size to the size of a particular organ or the organism's metabolic rate.

Related Terms

  • Isometry: In contrast to allometry, isometry is the situation where the relative sizes of the parts of an organism stay the same as the organism grows.
  • Heterochrony: This is a concept within allometry that deals with the change in timing or rate of developmental events leading to changes in size and shape of organs and the organism as a whole.
  • Ontogeny: This term refers to the development of an individual organism from the earliest stage to maturity. It is closely related to allometry as it involves the study of growth and size change throughout an organism's life.
  • Phylogeny: Phylogeny is the study of evolutionary relationships among species. It is related to allometry as changes in size and shape can have significant impacts on these relationships.

See Also

External links

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