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Carpogonium

From Wikipedia, the free encyclopedia

Collema crispum A, Carpogonium, c, with its trichogyne t. B, Apex of the trichogyne with the spermatium, s, attached.

The carpogonium (plural carpogonia) is the female organ in the red algae (Rhodophyta) which have a highly specialized type of reproduction. It contains the reproductive nucleus. It may contain a number of cells usually without chloroplasts. It shows an elongated process which is the receptive organ for the male gametes.[1][2]

It gives birth to the carpospores.[3][4]

It may also have hairlike structures called trichogynes which receive sperm before fertilization takes place.[5]

References

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  1. ^ Dixon, P.S. and Irvine, L.M. 1977. Seaweeds of the British Isles. Volume 1 Rhodophyta Part 1 British Museum (Natural History) ISBN 0 565 00781 5
  2. ^ Round, F.E. 1966. The Biology of the Algae. Edward Arnold Ltd
  3. ^ "Carpogonium - Define Carpogonium at Dictionary.com". Dictionary.com. Archived from the original on 23 December 2015. Retrieved 22 December 2015.
  4. ^ "Carpogonium – Definition of Carpogonium by Merriam-Webster". Merriam-Webster. Archived from the original on 23 December 2015. Retrieved 22 December 2015.
  5. ^ "trichogyne". Dictionary.com Unabridged. Random House, Inc. 14 September 2017. Dictionary.com http://www.dictionary.com/browse/trichogyne Archived 14 September 2017 at the Wayback Machine