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exogens

  • plural
    of exogen.
    exogen
    noun
    the fourth and final stage in the hair growth cycle, in which an individual hair is released from the follicle and shed before a new one grows. Compare anagen, catagen, and telogen.

Example Sentences

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They are to be found in all exogens.

From Wood and Forest by William Noyes

There are plants normally of an intermediate character, while, to take exceptional instances, there are exogens with the leaves and flowers of endogens, and endogens whose outward organisation, at any rate, assimilates them to exogens.

From Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants by Maxwell T. Masters

Since all the stems with which we have to deal are exogens, a particular description of that class will here be given.

From Trees of the Northern United States Their Study, Description and Determination by A. C. (Austin Craig) Apgar

Cambium, kam′bi-um, n. a layer of vascular tissue formed between the wood and the bark of exogens, in which the annual growth is formed.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various

Cannot a man work in wood without knowing all about endogens and exogens, or must he attend Professor Gray's Lectures before he can be trusted to make a box-trap?

From Medical Essays, 1842-1882 by Oliver Wendell Holmes

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