- 仕組み精子の異常:原因、種類、および結果
精子 - Wikipedia
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Sperm - Wikipedia
ウェブSperm ( pl.: sperm or sperms) is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one).
Spermiogenesis - Wikipedia
ウェブComplete diagram of a human spermatozoon. Schematic of subcellular structures in a murine spermatid being formed showing the formation of the residual body and acrosomal cap. The process of spermiogenesis is traditionally divided into four stages: the Golgi phase, the cap phase, formation of the tail, and the maturation stage. [1]
Spermatogenesis - Wikipedia
ウェブSpermatozoa are the mature male gametes in many sexually reproducing organisms. Thus, spermatogenesis is the male version of gametogenesis, of which the female equivalent is oogenesis. In mammals it occurs in …
Zaadcel - Wikipedia
ウェブEen zaadcel, antherozoïde, spermatozoïde of spermatozoön (meervoud: spermatozoa) is de mannelijke ( haploïde) geslachtscel. Afhankelijk van de levenscyclus van het soort worden de zaadcellen door haploïde …
Sperma - Wikipedia
ウェブSperma is een door mannelijke dieren geproduceerde vloeistof met zaadcellen. Bij zoogdieren, waaronder de mens, wordt sperma bij de zaadlozing (ejaculatie) uit de penis geloosd. De zaadcellen worden aangemaakt in de teelballen en rijpen in de bijballen. Bij de menselijke zaadlozing bevat sperma 1 tot 3% zaadcellen.
Sperm | Definition, Function, Life Cycle, & Facts
ウェブ2024年5月13日 · spermatozoon. Plural: spermatozoa. Key People: Oskar Hertwig. Related Topics: testis. spermatophore. acrosome. capacitation. lysin. On the Web: Verywell Family - Sperm 101: The …
Spermatozoa: Anatomy and function | Kenhub
ウェブ2024年2月27日 · The term spermatozoa (singular: spermatozoon), also known as sperm, refers to the male sex cells or gametes. They are formed through the process of spermatogenesis, which begins at puberty with the proliferation progenitor (stem) cells called spermatogonia.
Sperm biology and male reproductive health | Scientific Reports
ウェブ2020年12月14日 · Sperm are unique cells, produced through the complex and precisely orchestrated process of spermatogenesis, in which there are a number of checkpoints in place to guarantee delivery of a high ...
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