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microsporangium

[ mahy-kroh-spaw-ran-jee-uhm, -spoh- ]
/ ˌmaɪ kroʊ spɔˈræn dʒi əm, -spoʊ- /
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noun, plural mi·cro·spo·ran·gi·a [mahy-kroh-spaw-ran-jee-uh, -spoh-]. /ˌmaɪ kroʊ spɔˈræn dʒi ə, -spoʊ-/. Botany.

a sporangium containing microspores.

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Origin of microsporangium

First recorded in 1880–85; micro- + sporangium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for microsporangium

microsporangium
/ (ˌmaɪkrəʊspɔːˈrændʒɪəm) /

noun plural -gia (-dʒɪə)

the structure in certain spore-bearing plants in which the microspores are formed: corresponds to the pollen sac in seed plantsCompare megasporangium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for microsporangium

microsporangium
[ mī′krō-spə-rănjē-əm ]

Plural microsporangia

A plant structure in which microspores are formed. The pollen-producing male cones of a pine consist of many microsporangia, where the microspores of the pine develop into pollen grains to be dispersed.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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