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- Spermatheca abstract "The spermatheca (pronounced /spərməˈθiːkə/ plural: spermathecae /spərməˈθiːsiː/), also called receptaculum seminis (plural: receptacula seminis), is an organ of the female reproductive tract in insects, bees, some molluscs, oligochaeta worms and certain other invertebrates and vertebrates. Its purpose is to receive and store sperm from the male or, in the case of hermaphrodites, the male component of the body. Spermathecae can sometimes be the site of fertilization when the oocytes are sufficiently developed.Some species of animal have multiple spermathecae. For example, certain species of earthworms have four 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. They are lined with epithelium and are variable in shape: some are thin, heavily coiled tubes, while others are vague outpocketings from the main reproductive tract. 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. elegans spermatheca is made up of 24 smooth muscle-like cells that form a stretchable tubular structure. Actin filaments line the spermatheca in a circumferential manner. The C. elegans spermatheca is used as a model to study mechanotransduction.An apiculturist may examine the spermatheca of a dead queen bee to find out whether it had received sperm from a male. In many species of stingless bees, especially Melipona bicolor, the queen lays her eggs during the provisioning and oviposition process and the spermatheca fertilizes the egg as it passes along the oviduct. The haplo-diploid system of sex determination makes it possible for the queen to choose the sex of the egg.".
- Spermatheca thumbnail Spermathek_Acanthoscurria_geniculata.jpg?width=300.
- Spermatheca wikiPageID "2100624".
- Spermatheca wikiPageLength "4596".
- Spermatheca wikiPageOutDegree "30".
- Spermatheca wikiPageRevisionID "705630319".
- Spermatheca wikiPageWikiLink Bee.
- Spermatheca wikiPageWikiLink Beekeeping.
- Spermatheca wikiPageWikiLink Caenorhabditis_elegans.
- Spermatheca wikiPageWikiLink Category:Animal_anatomy.
- Spermatheca wikiPageWikiLink Category:Animal_reproductive_system.
- Spermatheca wikiPageWikiLink Category:Sexual_anatomy.
- Spermatheca wikiPageWikiLink Cyphopod.
- Spermatheca wikiPageWikiLink Epithelium.
- Spermatheca wikiPageWikiLink Female_sperm_storage.
- Spermatheca wikiPageWikiLink Fertilisation.
- Spermatheca wikiPageWikiLink Haplodiploidy.
- Spermatheca wikiPageWikiLink Hermaphrodite.
- Spermatheca wikiPageWikiLink Insect.
- Spermatheca wikiPageWikiLink Invertebrate.
- Spermatheca wikiPageWikiLink Mechanotransduction.
- Spermatheca wikiPageWikiLink Melipona_bicolor.
- Spermatheca wikiPageWikiLink Microfilament.
- Spermatheca wikiPageWikiLink Mollusca.
- Spermatheca wikiPageWikiLink Oligochaeta.
- Spermatheca wikiPageWikiLink Oocyte.
- Spermatheca wikiPageWikiLink Organ_(anatomy).
- Spermatheca wikiPageWikiLink Oviduct.
- Spermatheca wikiPageWikiLink Queen_bee.
- Spermatheca wikiPageWikiLink Reproductive_system_of_gastropods.
- Spermatheca wikiPageWikiLink Sex-determination_system.
- Spermatheca wikiPageWikiLink Sperm.
- Spermatheca wikiPageWikiLink Vertebrate.
- Spermatheca wikiPageWikiLink File:Spermathek_Acanthoscurria_geniculata.jpg.
- Spermatheca wikiPageWikiLinkText "Spermatheca".
- Spermatheca wikiPageWikiLinkText "receptaculum seminis".
- Spermatheca wikiPageWikiLinkText "sperm receptacles".
- Spermatheca wikiPageWikiLinkText "spermatheca".
- Spermatheca wikiPageWikiLinkText "spermathecae".
- Spermatheca wikiPageWikiLinkText "spermathecal duct".
- Spermatheca wikiPageUsesTemplate Template:IPAc-en.
- Spermatheca wikiPageUsesTemplate Template:Reflist.
- Spermatheca subject Category:Animal_anatomy.
- Spermatheca subject Category:Animal_reproductive_system.
- Spermatheca subject Category:Sexual_anatomy.
- Spermatheca hypernym Organ.
- Spermatheca type AnatomicalStructure.
- Spermatheca comment "The spermatheca (pronounced /spərməˈθiːkə/ plural: spermathecae /spərməˈθiːsiː/), also called receptaculum seminis (plural: receptacula seminis), is an organ of the female reproductive tract in insects, bees, some molluscs, oligochaeta worms and certain other invertebrates and vertebrates. Its purpose is to receive and store sperm from the male or, in the case of hermaphrodites, the male component of the body.".
- Spermatheca label "Spermatheca".
- Spermatheca sameAs Q2135237.
- Spermatheca sameAs Receptaculum_seminis.
- Spermatheca sameAs Espermateca.
- Spermatheca sameAs اسپرماتکا.
- Spermatheca sameAs Spermathèque.
- Spermatheca sameAs Ricettacolo_seminale.
- Spermatheca sameAs Spermatheca.
- Spermatheca sameAs Zbiornik_nasienny.
- Spermatheca sameAs Espermateca.
- Spermatheca sameAs m.06m4_g.
- Spermatheca sameAs Q2135237.
- Spermatheca wasDerivedFrom Spermatheca?oldid=705630319.
- Spermatheca depiction Spermathek_Acanthoscurria_geniculata.jpg.
- Spermatheca isPrimaryTopicOf Spermatheca.