largest cell on Earth?

[c.boord at microbiology.unimelb.edu.au]

>Does anyone know what the largest cell on Earth is?  Is it an ovum, nerve
>cell or a microbe?
>Also what species does it belong to?
>
>Please email me with any answers you might have.
>
>Thanks
>Kevin Shreder, Ph.D.
>kshreder at ucsd.edu

I would have thought the ostrich egg would have one that award......I guess
it depends on how you measure large...ie length, mass.....?????