American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "zoosperm" in a sentence
"Even more than this: It is supposed that each ovum and each zoosperm contains not only the gemmules necessary to reproduce the individuals who produced them, but also a number of gemmules which have been transmitted from the individuals 'ancestors."
"It will be seen, then, that each spermatozoon, or zoosperm, actually contains, in an embryonic condition, every organ and tissue of the individual producing it."
"-- It is often asked, and the question has elicited some discussion, Which is the principal reproductive element; the zoosperm, or the ovum?"