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I did the diagram myself based on the one found on the book "Gray's anatomy" 36th edition, Williams & Warwick, 1980; and a diagram found of the review "Formation and organization of the mammalian sperm head" from Kiyotaka Toshimori and Chizuro Ito. (Chiba, Japan). Author: Mariana Ruiz Villarreal: Permission (Reusing this file)
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The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell with 46 paired chromosomes. In mammals, sperm is stored in the epididymis and released through the penis in semen during ejaculation. The word sperm is derived from the Greek word σπέρμα, sperma, meaning "seed".
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Egg prices are surging nationwide after the ongoing bird flu outbreak led to the culling of tens of millions of chickens last year. That’s forcing many of America’s bakeries to consider ...