Tegmen

A tegmen (pl.: tegmina) designates the modified leathery front wing on an insect particularly in the orders Dermaptera (earwigs), Orthoptera (grasshoppers, crickets and similar families), Mantodea (praying mantis), Phasmatodea (stick and leaf insects) and Blattodea (cockroaches).

This article is about an insect's wing. For the inner coat of plant seeds, see Seed coat. For the star system of this name, see Zeta Cancri.

It is also a term used in botany to describe the delicate inner protective layer of a seed, and in zoology to describe a stiff membrane on the upper surface of the crown of a crinoid.

In vertebrate anatomy it denotes a plate of thin bone forming the roof of the middle ear.

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