Spermathecae definition
WebThe so-called spermatheca, a sperm reservoir that collects sperm from the male in the course of several matings, connects with the oviduct, through which eggs are carried to … Webspermatheca (spûr′mə-thē′kə) n. pl. spermathe·cae (-sē) A receptacle in the reproductive tract of many female or hermaphrodite invertebrates and certain female vertebrates, in …
Spermathecae definition
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WebSpermathecae, however, are not required to store sperm. Some female vertebrates store sperm within the confines of their reproductive tracts by co-opting pre-existing structures such as the lining of the uterus, cervix, oviducts and vagina. This ‘make-do’ approach to sperm storage has been observed primarily in mammals Webn. pl. sper·ma·the·cae (-sē) A receptacle in the reproductive tract of many female or hermaphrodite invertebrates and certain female vertebrates, in which spermatozoa are …
Webspermatheca ( plural spermathecas or spermathecae ) ( anatomy) A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until … WebDefinitions for spermathèque sper·math·èque This dictionary definitions page includes all the possible meanings, example usage and translations of the word spermathèque. Did you actually mean spermatic or spiranthes? How to pronounce spermathèque? David US English Zira US English How to say spermathèque in sign language? Numerology
WebAdditional experiments demonstrating transfer of labelled semen from A[edes] albopictus males to A. aegypti females and low production of viable eggs of females housed with conspecific males, following exposure to A. albopictus males, confirm higher incidences of satyrization than expected, based on heterospecific insemination rates. We conclude that …
WebApr 26, 2024 · a-c: Spermathecae and copulatory ducts of a late subadult female that are both filled with a light blue secretion. d-f: Spermathecae and copulatory ducts of an adult female that are both filled with a bright blue secretion. Scale bars = 100 μm. cd, copulatory duct; cf., common fertilization duct; mf, muscle fibers; se, secretion; sp ... braylon hall ageWebIn the female insect, the spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs. The number and morphology of … corse to englishWebSep 10, 2024 · One essential process is female sperm storage in specialized structures called spermathecae. Aedes aegypti females typically mate once, requiring them to maintain sperm viably to fertilize eggs... braylon hall crushWebspermatheca. (spûr′mə-thē′kə) n. pl. spermathe·cae (-sē) A receptacle in the reproductive tract of many female or hermaphrodite invertebrates and certain female vertebrates, in … braylon hancockWebAug 17, 2024 · Spermathecae were enmeshed in muscle fibers of the ovipositor. The majority of species examined had spermathecae with a single chamber with some cuticular invagination ( Fig. 2b–d ), forming partially separated lumina in some species. corset rot schwarzWebJul 19, 2024 · Spermathecae are also known as seminal receptacles because they are meant to receive sperms from another worm during copulation and to store sperms temporary. Sperms are stored in the diverticulum of spermathecae in Pheretima posthuman after copulation. Sperms on the other hand, are stored in ampulla of other earthworm … corset one piece swimsuitsWebMar 25, 2024 · The ability of female insects to retain and use sperm for days, months, or even years after mating requires specialized storage organs in the reproductive tract. In most orders, these organs include a pair of sclerotized capsules known as spermathecae. Here, we report that some Drosophila melanog … corsetry calls