Anal pore

The anal pore or cytoproct is a structure in various single-celled eukaryotes where waste is ejected after the nutrients from the food have been absorbed into the cytoplasm.^[1]

In ciliates, the anal pore (cytopyge) and cytostome are the only regions of the pellicle that are not covered by ridges, cilia or rigid covering. They serve as analogues of, respectively, anus and mouth of multicellular organisms. The thin membrane of the cytopyge allows vacuoles to be merged into the cell wall and emptied.^{[citation needed]}

References

^ Stuart Hogg (2005). "The Ciliates". Essential Microbiology (1 ed.). John Wiley & Sons. ISBN 978-0471497547. Retrieved 16 January 2018.

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[1] Stuart Hogg (2005). "The Ciliates". Essential Microbiology (1 ed.). John Wiley & Sons. ISBN 978-0471497547. Retrieved 16 January 2018.

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