Male gametophyte gametes

[sofia_41]

Hi everyone, female gametophyte eggs are easy to identify but I am wondering if anyone has seen a male gametophyte antheridium and if sperm are visible under a microscope and if so, do you have any pictures to share? This is the part of the life cycle that I have not seen. Thanks! Sofia

[kendall_barbery]

@sofia_41 @margaret_aydlett do you have pictures you could share with Sofia?

[kendall_barbery]

@sofia_41 Some info from GreenWave's gametophyte collection manager:

Here is a good figure from a paper on alaria. https://www.researchgate.net/figure/Gametogenesis-in-Kamchatkas-Alaria-spp-and-development-of-sporophyte-in-Alaria-angusta_fig2_315936554 It's difficult to see the sperm but the empty antheridia can be seen at higher magnifications.

[sofia_41]

Thank you @kendall_barbery these images are very helpful and great that they include the sizes.
Have a good weekend, Sofia

[sofia_41]

Thank you @kendall_barbery these images are very helpful and great that they include the sizes.
Have a good weekend, Sofia