[spur-muh-tuh-zoh-uh
n, -on, spur-mat-uh-] 
[-zoh-uh] . Cell Biology. | one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell. |
| sper·mat·o·zo·on (spər-māt'ə-zō'ŏn', -ən, spûr'mə-tə-) n. pl. sper·mat·o·zo·a (-zō'ə) The mature fertilizing gamete of a male organism, usually consisting of a round or cylindrical nucleated cell, a short neck, and a thin motile tail. Also called sperm cell, zoosperm. sper·mat'o·zo'al (-zō'əl), sper·mat'o·zo'an (-zō'ən), sper·mat'o·zo'ic (-zō'ĭk) adj. |
spermatozoon sper·mat·o·zo·on (spər-māt'ə-zō'ŏn', -ən, spûr'mə-tə-)
n. pl. sper·mat·o·zo·a (-zō'ə)
The mature male gamete or sex cell that consists of a cylindrical nucleated cell with a short neck and a thin motile tail, contains genetic information to be transmitted by the male, exhibits autokinesia, and is able to effect zygosis with an ovum; sperm.
