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Antheridium-1

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AntheridiaLab3D-400.jpg (27563 bytes) Antheridium3DSpermtogPixelate.jpg (41844 bytes) Antheridium3DPixelizeFacetSpermLab.jpg (48451 bytes)

The Antheridium is relatively simple compared to an Archegonium.It consists of an outer "Jacket" & Spermatogenous Cells
which differentiate into
Sperm.

Model of an Antheridium showing the Spermatogenous Cells. These are the products of Mitosis because the Gametophyte plant is Haploid. Each cell produces a Flagellated Sperm. FernTypeSpermFlag300.jpg (21812 bytes)
Model of a Multiflagellate Sperm like those produced by most Ferns (Pterophyta)
BryoSpermFlag.jpg (28355 bytes)

Most land plants produce Biflagellate Sperm similar to the illustration on the Left.

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