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精子（Sperm），分动物精子与植物精子。 动物有性生殖过程中的雄性生殖细胞，雄性动物的生殖细胞，异配生殖中的雄配子，由精子器产/Sep 26, 2025 · Sperm, male reproductive cell, produced by most animals. In higher vertebrates, especially mammals, sperm are produced in the testes. The sperm unites with (fertili"In human reproduction, one female egg is usually fertilized by one sperm. 在人类生殖过程中，通常是一个精子使一个卵子受精。*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!Mar 4, 2020 · Sperm are male reproductive cells that are one-half responsible for creating life. Read on to discover some facts about sperm and male fertility.^Oct 20, 2025 · Where Is Sperm Produced? Sperm are produced in the testicles. This happens within tiny tubes called seminiferous tubules. It’s an ongoing process, as the testicle&3 days ago · In this Review, the authors describe the mechanisms that mediate mitochondrial sheath formation and its maintenance and function within the mature sperm. They also pr