tegmen

Noun

Meaning

A tegument or covering.

The inner layer of the coating of a seed, usually thin and delicate; the endopleura.

One of the elytra of an insect, especially of certain Orthoptera.

Same as Tectrices.

Synonyms

Derivatives

Examples

Bitegmic seeds form a testa from the outer integument and a tegmen from the inner integument while unitegmic seeds have only one integument. Source: Internet

The seed coat forms from the two integuments or outer layers of cells of the ovule, which derive from tissue from the mother plant, the inner integument forms the tegmen and the outer forms the testa. Source: Internet

Usually parts of the testa or tegmen form a hard protective mechanical layer. Source: Internet

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