Spermathecae definition

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August undefined, 2024

http://dictionary.education/english/dictionary/spermathecae WebNov 26, 2024 · Bumblebee queens have remarkable spermathecae that store sperm for year-round reproduction. The spermathecal gland is regarded as a secretory organ that could benefit sperm storage. Queen mating provokes substantial physiological, behavioral, and gene expression changes. Here, the transcriptomes of spermathecae were compared …

The insect spermatheca: an overview - PubMed

Webspermatheca (plural spermathecas or spermathecae) A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova. Derived terms . spermathecal; Translations . small sac. ... The spermatheca , also called receptaculum seminis (plural: receptacula seminis), is an organ of the female reproductive tract in insects, e.g. ants, 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 someti… biscuit the cat cross stitch

Spermathecal Variation in Temperate Opiliones Integrative and ...

WebThis is the meaning of spermatheca: spermatheca (English)Origin & history From sperma-+ theca. Pronunciation (Brit. Eng.) IPA: /ˌspɜːməˈθiːkə/ Rhymes: -iːkəNoun spermatheca (pl. spermathecas or spermathecae) A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova 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 … WebMar 25, 2024 · In most orders, these organs include a pair of sclerotized capsules known as spermathecae. Here, we report that some Drosophila melanogaster females exhibit previously uncharacterized structures within the distal portion of the muscular duct that links a spermatheca to the uterus. biscuit the raccoon

The morphogenesis of spermathecae and spermathecal glands in …

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 … WebJan 8, 2024 · Honey bee (Apis mellifera) queens have a remarkable organ, the spermatheca, which successfully stores sperm for years after a virgin queen mates. This study uniquely characterized and quantified the transcriptomes of the spermathecae from mated and virgin honey bee queens via RNA sequencing to identify differences in mRNA levels based on a … dark cherry kitchen cabinetWebSpermathecae, 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 biscuit the dog author

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Spermathecae definition

Reproduction of Earthworms: Sexual Selection and …

Webspermarche pronunciation - How to properly say spermarche. Listen to the audio pronunciation in several English accents. WebMay 5, 2024 · Drosophila spermathecae consist of class-III secretory units, in which each secretory cell (SC) discharges its products to the central lumen through an end-apparatus and a canal. Secretory unit formation in Drosophila spermathecae utilizes a fixed cell lineage, in which each secretory unit precursor (SUP) divides to produce one pIIb cell and ...

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Webspermatheca. [ spur-m uh- thee-k uh ] noun, plural sper·ma·the·cae [spur-muh-thee-see]. Zoology. a small sac or cavity in female or hermaphroditic invertebrates used to store … WebThe definition of spermathecae in Dictionary is as: plural form of spermatheca. Meaning of spermathecae for the defined word. Grammatically, this word "spermathecae" is a noun, …

Webnoun. sper· ma· the· ca ˌspər-mə-ˈthē-kə. plural spermathecae ˌspər-mə-ˈthē-ˌsē. -ˌkē. : a sac for sperm storage in the female reproductive tract of various lower animals and especially insects. WebIn the female insect, the spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs. The number and morphology of …

WebJul 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 … WebSpermathecae two pairs in XIV and XV, pear-shaped, containing sperm, the second pair slightly larger. Septa 5/6 and 10/11 somewhat thickened, 6/7 ... to give a broader definition of Prosellodrilus and split it into two subgenera: the nominal one, and a second subgenus for which we propose the name Maghrebiella.

WebAug 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.

Webspermatheca Definitions (anatomy) A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the … dark cherry juiceWebLabrum (plural labra): A component (the "upper lip") of the mouthparts, concealed by the chelicerae; [10] see also Arthropod mouthparts: Labrum. Lateral (applied to appendages): Viewed from above or below, the sides of the leg or pedipalp, i.e. the surfaces parallel to the line of sight; see prolateral, retrolateral. dark cherry king headboardWebnoun A small, saclike structure in the female reproductive tract in many invertebrates, esp. insects, for receiving and storing sperm. Webster's New World Similar definitions … dark cherry kitchen cabinetsWebSpermathecae are tubes or sacs in which sperm can be stored between the time of mating and the time an egg is fertilized. Paternity testing of insects has revealed that some, and … biscuit the dog storyWebspermatheca. n a sac or cavity within the body of many female invertebrates, esp. insects, used for storing spermatozoa before fertilization takes place. (C19: see sperm1, theca) ♦ … biscuit the dog costumeWebspermatheca ( plural spermathecas or spermathecae ) ( anatomy) A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until … biscuit tin technologyWebNov 30, 2024 · Compared to females with two spermathecae, females with three spermathecae store a greater total number of sperm and can produce offspring a greater length of time. However, they did not produce a greater total number of offspring. Thus, additional long-term sperm storage in insects may increase female fitness through … dark cherry linen cabinet