indusium


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in·du·si·um

, pl.

in·du·si·a

(in-dū'zē-ŭm, -zē-ă),
1. A membranous layer or covering.
2. The amnion.
[L. a woman's undergarment, fr. induo, to put on]

indusium

(ĭn-do͞o′zē-əm, -zhē-, -dyo͞o′-)
n. pl. indu·sia (-zē-ə, -zhē-ə)
An enclosing membrane, as that covering the sorus of a fern.

in·du·si·um

, pl. indusia (in-dū'zē-ŭm, -zē-ă)
1. A membranous layer or covering.
2. The amnion.
[L. a woman's undergarment, fr. induo, to put on]

indusium

the covering of a sporangium or several sporangia.
References in periodicals archive ?
It is likely that activation of the indusium griseum secondary to hippocampal stimulation, by moments of distress, dreaming or seizures, can result in a visual experience of small humanoid creatures of this type.
Cenosorus continuous, indusium with undulated margins, and polygonal epidermal pattern of thickened cell walls.
Indusium present; stem diameter 8-10 mm; rachis not winged or winged at apical portion of blades only 3.
Larger pinnae mostly less than 5cm long; rhizome slender; indusium covering sides of sorus(separating into flaps and forms a star-shaped cup): Woodsia
Sori not located along the edge of leaflets, or sori marginal with kidney-shaped indusium and not covered by rolled under leaflet edge.

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