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ECB-STAGE-11
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Name: mature spermatozoid stage
ECAO ID: 0000120 Definition: "A mature male gamete that is composed of a head, encompassing a compact nucleus, a neck, a middle piece, and a tail (or flagellum) that propels it towards the oocyte upon spawning." |
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| Preceded By: developing spermatozoa stage | Succeeded By: 1-cell stage |