spermatozoan

sper·mat·o·zo·on

 (spər-măt′ə-zō′ŏn′, -ən, spûr′mə-tə-)

n. pl. sper·mat·o·zo·a (-zō′ə)

The mature male gamete of an animal, usually consisting of a nucleate head, a short neck, and a thin motile tail.

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sper·mat′o·zo′al (-zō′əl), sper·mat′o·zo′an (-zō′ən), sper·mat′o·zo′ic (-zō′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Thesaurus

Noun

1.

spermatozoan - the male reproductive cell; the male gamete; "a sperm is mostly a nucleus surrounded by little other cellular material" sperm, sperm cell, spermatozoon flagellum - a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa) come, seminal fluid, seed - the thick white fluid containing spermatozoa that is ejaculated by the male genital tract gamete - a mature sexual reproductive cell having a single set of unpaired chromosomes acrosome - a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg male reproductive system - the reproductive system of males

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