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Sperm Receptacles

Sperm Receptacles

Sex Spermatheca - Wikipedia Foton

Spermathecae can sometimes be the site of fertilization when the oocytes Sperm Receptacles sufficiently developed. Some species of animal have Receptacled spermathecae. For example, certain species of earthworms have Pixel Touchy Feely Zoo pairs of spermathecae—one pair each in the 6th, 7th, 8th, and 9th segments.

The spermathecae receive and store the spermatozoa of another earthworm during copulation. It is one of the many variations in sexual reproduction. The nematode Caenorhabditis elegans has two spermathecae, one at the end of each gonad. The C. An apiculturist may examine Sperm Receptacles spermatheca of a dead queen bee to find out whether it had received sperm from a male. The haplo-diploid system of sex determination makes it possible for the queen to choose the sex of the egg.

From Wikipedia, the free encyclopedia. Pascini, and Gustavo F. Sever, Cynthia K. Tait, Lowell V. Diller, and Laura Burkholder. Biology of the Invertebrates. New York: McGraw Hill,pg. PMID Developmental Biology. PMC Current Biology. ISSN Retrieved May 17, Academic Search Premier. Categories : Animal reproductive system Sexual anatomy Animal anatomy Reproduction.

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Sperm Receptacles

Sperm Receptacles

Sperm Receptacles

Sperm Receptacles

Sperm Receptacles

Spermathecae can sometimes be the site of fertilization when the oocytes are sufficiently developed. Some species of animal have multiple spermathecae.

Sperm Receptacles

Sperm Receptacles: Directed by Mike John. With Brad Baldwin, Carlton Banks, Tone Capone, Juan Cuba.

Sperm Receptacles

Sperm Receptacles

Sperm Receptacles

Sperm Receptacles

Sperm Receptacles 6: Directed by Tim Von Swine. With Adrianna Luna, A.J. Applegate, Cameron Canada, Katie St. Ives.

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