File:Spermatogenesis-es.svg
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Summary
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Español: Espermatogénesis:
La espermatogénesis es la producción de espermatozoides en los varones que utilizan el proceso de meiosis y maduración que crea células espermáticas llamadas espermatozoides. Tiene lugar en los túbulos seminíferos de los testículos. La espermatogénesis comienza con un espermatocito primario que contiene cuarenta y seis cromosomas. A partir de ahí, se divide en dos espermatocitos secundarios con veintitrés cromosomas cada uno durante la meiosis I. Cada espermatocito secundario crea dos espermátidas durante la meiosis II, lo que hace un total de cuatro espermátidas. Estas espermátidas maduran y se convierten en espermatozoides. Los espermatozoides son los gametos masculinos de los organismos que se reproducen sexualmente. En los seres humanos, el proceso de espermatogénesis dura aproximadamente sesenta y cuatro días. 1. Espermatocito primario 2. Espermatocitos secundarios 3. Espermátidas 4. Espermatozoides Fuente de referencia: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/S/Sexual_Reproduction.htmlEnglish: Spermatogenesis:
Spermatogenesis is the production of sperm in males that use the process of meiosis and maturation which creates sperm cells called spermatozoa. It takes place in the seminiferous tubules within the testes. Spermatogenesis begins with a primary spermatocyte containing forty-six chromosomes. From there it divides into two secondary spermatocytes each containing twenty-three chromosomes during meiosis I. Each secondary spermatocyte creates two spermatids during meiosis II making four spermatids all together. These spermatids mature into spermatozoa, also called sperm cells. Spermatozoa are the male gametes for sexually reproducing organisms. In humans the process of spermatogenesis is approximately a sixty-four day process. 1. Primary spermatocyte 2. Secondary spermatocytes 3. Spermatids 4. Sperm Reference Source: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/S/Sexual_Reproduction.html |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 12:09, 26 January 2023 | | 512 × 496 (48 KB) | Pitana | Uploaded a work by Anchor207 * de la traducción Pitana from Commons [https://commons.wikimedia.org/wiki/File:Spermatogenesis.svg File:Spermatogenesis.svg] with UploadWizard |
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