Spermatogenesis - Wikipedia
Spermatogenesis produces mature male gametes, commonly called sperm but more specifically known as spermatozoa, which are able to fertilize the counterpart female gamete, the oocyte, during conception to produce a single-celled individual known as a zygote.
Spermatogenesis | Description & Process | Britannica
2024年10月19日 · Spermatogenesis, the origin and development of sperm cells within the male reproductive organs, the testes. Sperm are produced specifically from stem cells in the walls of the seminiferous tubules. Learn about the processes of …
Spermatogenesis- Definition, Stages and Process with figure
2023年8月3日 · Spermatogenesis is the process of formation of mature sperm cells through a series of mitotic and meiotic divisions along with metamorphic changes in the immature sperm cell. It is the male version of gametogenesis which results in …
Histology, Spermatogenesis - StatPearls - NCBI Bookshelf
2023年3月6日 · Spermatogenesis is a process that occurs in the seminiferous tubules, and many internal and external factors regulate it. Intrinsic regulation requires the production and release of testosterone, neuroendocrine substances, and growth factors secreted by Leydig cells.
Spermatogenesis - Developmental Biology - NCBI Bookshelf
Spermatogenesis is the production of sperm from the primordial germ cells. Once the vertebrate PGCs arrive at the genital ridge of a male embryo, they become incorporated into the sex cords.
Spermatogenesis: Current Biology - Cell Press
2017年9月25日 · Spermatogenesis involves the differentiation of spermatogonial stem cells into spermatocytes via mitotic cell division and the production of haploid spermatids from the tetraploid primary spermatocytes via meiotic cell division. Spermatids subsequently give rise to spermatozoa in the final phase of spermatogenesis, called spermiogenesis.
43.3C: Gametogenesis (Spermatogenesis and Oogenesis)
2023年10月31日 · In spermatogenesis, diploid spermatogonia go through mitosis until they begin to develop into gametes; eventually, one develops into a primary spermatocyte that will go through the first meiotic division to form two haploid secondary spermatocytes.
Endocrinology of the Male Reproductive System and Spermatogenesis
2017年1月11日 · Spermatogenesis is the process by which immature male germ cells divide, undergo meiosis and differentiate into highly specialized haploid spermatozoa. Optimal spermatogenesis requires the action of both testosterone (via androgen receptors) and FSH. Spermatogenesis takes place within the seminiferous tubules of the testis.
Biology of spermatogenesis - PMC
Spermatogenesis is one of the most complex, yet fascinating, cellular events take place in the testis of all species, from flies and worms to humans. The complexity of spermatogenesis can be easily appreciated when we compare the weight of the testis with its extraordinary cellular output.
The biology of spermatogenesis: the past, present and future
The physiological function of spermatogenesis in Caenorhabditis elegans, Drosophila melanogaster and mammals is to produce spermatozoa (1n, haploid) that contain only half of the genetic material of spermatogonia (2n, diploid).