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Definition of Megasporangium
1. Noun. A plant structure that produces megaspores.
Definition of Megasporangium
1. Noun. (biology) A sporangium which produces only megaspores ¹
¹ Source: wiktionary.com
Definition of Megasporangium
1. [n -GIA]
Medical Definition of Megasporangium
1. The larger of the two kinds of sporangia produced in the sexual life cycle of a heterosporous plant. (09 Oct 1997)
Lexicographical Neighbors of Megasporangium
Literary usage of Megasporangium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Organography of Plants, Especially of the Archegoniata and Spermaphyta by Karl Goebel, Isaac Bayley Balfour (1905)
"The megasporangium of Selaginella. In Selaginella the development of the ...
395 shows a megasporangium in which the cells of the sporogenous cell-mass have ..."
2. Morphology of Spermatophytes by John Merle Coulter, Charles Joseph Chamberlain (1901)
"After CHAMBERLAIN. following spring (about May 1st in the case of P. Laricio)
the mother cells pass through the reduction division. THE megasporangium The ..."
3. The Anatomy of Woody Plants by Edward Charles Jeffrey (1917)
"CHAPTER XVI THE megasporangium AND SEED In the Pteridophyta the phenomenon of
... megasporangium ..."
4. Morphology of Spermatophytes by John Merle Coulter, Charles Joseph Chamberlain (1901)
"THE megasporangium In most cases a definite ovulate strobilus is organized, which
is terminal in Cycas, and possibly so in the other genera (Figs. ..."
5. A Textbook of Botany for Colleges and Universities by John Merle Coulter, Charles Reid Barnes, Henry Chandler Cowles (1910)
"Each sorus begins by developing a terminal megasporangium (fig. ... The megasporangium
of Azolla develops mother cells and forms eight tetrads (32 spores). ..."
6. An Introduction to Structural Botany by Dukinfield Henry Scott (1904)
"The megasporangium itself corresponds to the nucellus of an ovule, ... This is
because the megaspores are set free from the megasporangium before ..."
7. Principles of Botany by Joseph Young Bergen, Bradley Moore Davis (1906)
"The retention of the megaspore in the megasporangium was, perhaps^ the most
important step in the development of the seed habit. This retention was possibly ..."
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