indusium
noun
in·du·si·um
| \ in-ˈdü-zē-əm
, -ˈdyü-, -zhē-\
, -ˈdyü-, -zhē-\
plural indusia\ in-ˈdü-zē-ə
, -ˈdyü- , -zhē- \
, -ˈdyü- , -zhē- \
Definition of indusium
: an investing outgrowth or membrane
especially
: an outgrowth of a fern frond that covers the sori
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More Definitions for indusium
indusium
noun
in·du·si·um
| \ in-ˈd(y)ü-z(h)ē-əm
\
\
plural indusia\ -z(h)ē-ə
\
\
Medical Definition of indusium
: a membrane serving as a covering
especially
: indusium griseum