- any covering membrane, as the amnion
- a case enclosing an insect larva or pupa
- a membranous outgrowth of the leaf epidermis in certain ferns, covering the sporangia
- the annulus of certain fungi
Origin of indusiumModern Latin ; from L, undergarment, tunic; associated, association with induere, to put on (see indue), but probably ; from Classical Greek endysis, dress, clothing ; from endyein, to go into, put on
An enclosing membrane, as that covering the sorus of a fern.
Origin of indusiumLatin, tunic, perhaps alteration of Greek endusis, dress, from enduein, to sink into, put on : en-, in; see en–2 + duein, to sink.