mesothecium

noun

mesothecium

noun

Etymology From meso- + theca (“pollen-producing organ”) + -ium.

Biology, Botany, Natural sciences The intermediate layer of cells in the wall of the anther, in ripe anthers often occurring as the inner layer by disappearance of the endothecium proper.

Coordinate terms: endothecium, exothecium

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.