Spermatotheca
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 … Webn, pl -zoa ( -ˈzəʊə) (Physiology) any of the male reproductive cells released in the semen during ejaculation, consisting of a flattened egg-shaped head, a long neck, and a whiplike tail by which it moves to fertilize the female ovum. Also called: sperm or zoosperm. ˌspermatoˈzoal, ˌspermatoˈzoan, ˌspermatoˈzoic adj.
Spermatotheca
Did you know?
WebSpermatozoa are produced in the seminiferous tubules of the testes. The developmental stages of the germ cell are the spermatogonium, spermatocyte, spermatid, and finally spermatozoon. When mature, the spermatozoa are carried in the semen. At the climax of coitus, the semen is discharged into the vagina of the female. Websper·ma·the·ca. (spûr′mə-thē′kə) n. pl. sper·ma·the·cae (-sē) A receptacle in the reproductive tract of many female or hermaphrodite invertebrates and certain female vertebrates, in …
Webspermatotheca noun sper· mato· theca ˌspərmətə, (ˌ)spərˌmatə+ : spermatheca Word History Etymology New Latin, from spermat- + theca Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary. WebSpermatheca. The spermatheca or sperm receptacle (Fig. 12.15) is the only female organ in the key and consists of a pore (sp), duct (sd), bulb (sb) and, when present, an ental …
Web1,106 Likes, 144 Comments - Williams Honey Farm, LLC (@williamshoneytn) on Instagram: "Ok look really closely at this picture... See that small white circle on my ... WebSpermatotheca the sac or reservoir in the female, that receives the sperm during coition: = spermatheca and receptaculum seminis. How to pronounce spermatotheca? David US …
Webהפלודיפלואידיות (ב אנגלית: Haplodiploidy) היא מערכת פלואידית בה זכרים מתפתחים מביצים לא מופרות והם הפלואידים (חד־סדרתיים – בעלי עותק אחד מכל כרומוזום), והנקבות מתפתחות מביצים מופרות והן ...
WebJun 13, 2024 · As the male reproductive cell, sperm is a key aspect of human fertility. In this article, you’ll find a brief overview of the male reproductive system and answers to … aws dns ipアドレス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… 動画 合わせるWebJun 18, 2009 · Sperm storage by females is widespread throughout the animal kingdom [1, 2] but amazingly little is known about how females are able to keep sperm cells viable over prolonged periods of time.In many species, females provide specialized morphological structures for sperm storage often known as spermathecae [].Females 'interact' with and … 動画 受け渡し アプリWebspermatozoon. [ sper″mah-to-zo´on] (pl. spermatozo´a) ( Gr.) a mature male germ cell, the specific output of the testes, which fertilizes the mature ovum (secondary oocyte) in … 動画 合わせる 編集動画 合わせ方WebAfter the sperm reaches the egg, fertilization takes place. Most external fertilization happens during the process of spawning where one or several females release their eggs and the male (s) release sperm in the same area, at the same time. The release of the reproductive material may be triggered by water temperature or the length of daylight. aws dns ipアドレス 確認WebSpermatotheca परिभाषा: a sac or cavity within the body of many female invertebrates , esp insects, used for... अर्थ, उच्चारण, अनुवाद और उदाहरण aws dnsサーバー