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  2. Spermatogenesis - Wikipedia

    en.wikipedia.org/wiki/Spermatogenesis

    Spermatocytogenesis is the male form of gametocytogenesis and results in the formation of spermatocytes possessing half the normal complement of genetic material. In spermatocytogenesis, a diploid spermatogonium , which resides in the basal compartment of the seminiferous tubules, divides mitotically, producing two diploid intermediate cells ...

  3. Spermatocytogenesis - Wikipedia

    en.wikipedia.org/wiki/Spermatocytogenesis

    Spermatocytogenesis is the male form of gametocytogenesis and involves stem cells dividing to replace themselves and to produce a population of cells destined to become mature sperm. The stem cells involved are called spermatogonia and are a specific type of stem cell known as gametogonia .

  4. Spermatocyte - Wikipedia

    en.wikipedia.org/wiki/Spermatocyte

    Spermatogonia going through mitosis to form primary spermatocytes in Grasshopper testes. Spermatocytogenesis. At puberty, spermatogonia located along the walls of the seminiferous tubules within the testis will be initiated and start to divide mitotically, forming two types of A cells that contain an oval shaped nucleus with a nucleolus attached to the nuclear envelope; one is dark (Ad) and ...

  5. Sperm - Wikipedia

    en.wikipedia.org/wiki/Sperm

    Diagram of a human sperm cell. 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).

  6. Spermatidogenesis - Wikipedia

    en.wikipedia.org/wiki/Spermatidogenesis

    Cross section of the epithelium of a seminiferous tubule showing various stages of spermatocyte development Scheme showing analogies in the process of maturation of the ovum and the development of the spermatids (young spermatozoa).

  7. Uchu Sentai Kyuranger - Wikipedia

    en.wikipedia.org/wiki/Uchu_Sentai_Kyuranger

    Kyuranger is considered the fifth space-themed series [a] whose primary motifs are constellations and Greco-Roman mythology, and it is also the first Super Sentai series to introduce nine regular members in the beginning instead of five or fewer like previous installments. The team later gains three additional members, increasing the number to ...

  8. Spermatogonium - Wikipedia

    en.wikipedia.org/wiki/Spermatogonium

    A spermatogonium (plural: spermatogonia) is an undifferentiated male germ cell.Spermatogonia undergo spermatogenesis to form mature spermatozoa in the seminiferous tubules of the testicles.

  9. List of Uchu Sentai Kyuranger characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Uchu_Sentai...

    Uchu Sentai Kyuranger (宇宙戦隊キュウレンジャー, Uchū Sentai Kyūrenjā) is a Japanese tokusatsu series that serves as the 41st installment in the Super Sentai franchise and the 29th entry in the Heisei era.