indusium noun. [ɪn'dju:zɪǝm] Pl. -ia [-ɪǝ]. E18.
[Latin = tunic, from induere put on (a garment).]
Biology & Anatomy. Any of various thin membranous coverings, as (a) (now rare) the amnion; (b) the larval case of some insects; (c) a collection of hairs enclosing the stigma of some flowers; (d) a flap of tissue covering a sorus on a fern leaf; (e) the thin layer of grey matter on the upper surface of the corpus callosum.

■ indusial adjective E19.

■ indusiate adjective having an indusium M19.

[TahlilGaran] English Dictionary ▲