sperm: References & Edit History

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Article History

Type Description Contributor Date
Modified link of Web site: National Center for Biotechnology Information - Sperm. Oct 17, 2026
Add new Web site: Khan Academy - Egg, sperm, and fertilization. Dec 26, 2025
Add new Web site: Cell Press - Current Biology - Sperm Biology: Size Indeed Matters. Nov 13, 2025
Add new Web site: Frontiers - Frontiers in Cell and Developmental Biology - Editorial: Sperm Differentiation and Spermatozoa Function: Mechanisms, Diagnostics, and Treatment. Aug 15, 2025
Add new Web site: Mayo Clinic - Healthy sperm: Improving your fertility. Jun 04, 2025
Add new Web site: PNAS - Chemotaxis of sperm cells. Nov 23, 2024
Add new Web site: Cleveland Clinic - Sperm. Sep 24, 2024
Add new Web site: Verywell Health - How Can You Tell if Your Sperm is Healthy? May 13, 2024
Add new Web site: Open University - OpenLearn - The science of sperm. Apr 05, 2024
Add new Web site: Scientific Reports - Sperm biology and male reproductive health. Jun 23, 2023
Add new Web site: Cleveland Clinic - Sperm Biology from Production to Ejaculation. Mar 03, 2023
Add new Web site: WebMD - What is Sperm? Dec 23, 2022
Add new Web site: Biology LibreTexts - Structure of Formed Sperm. Nov 01, 2022
Add new Web site: Healthline -12 Widely Believed Sperm Facts That Are Actually False. Aug 22, 2022
Corrected display issue. Sep 25, 2019
Add new Web site: National Center for Biotechnology Information - Sperm. Sep 23, 2019
Added information on Katnal1, a gene that controls the maturation of sperm and that is a potential target for new male infertility drugs and new forms of male contraception. May 25, 2012
Add new Web site: The Merck Manuals - Sperm Disorders. Dec 05, 2011
Add new Web site: The Merck Manuals - Sperm Disorders. Aug 25, 2011
Updated to include information on the evolutionary origins of sperm. Jul 22, 2010
Added information on the acrosome reaction and on sperm capacitation and the role of proton channels in flagellar activation. Feb 05, 2010
Added a photo of sperm cells. Aug 27, 2009
Media added. Jun 08, 2009
Article added to new online database. Jul 20, 1998
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