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exosporium
Language
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Edit
English
edit
Etymology
edit
From
exo-
+
spore
+
-ium
.
Noun
edit
exosporium
(
plural
exosporia
)
(
botany
)
The
outer
layer
of a
pollen
grain
or
spore
; the
exine
.
Categories
:
English terms prefixed with exo-
English terms suffixed with -ium
English lemmas
English nouns
English countable nouns
English nouns with irregular plurals
en:Botany
en:Plant anatomy
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