Spermatozoa of an Ape
"One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality, and which are the immediate and active means of impregnating or fertilizing the ovum of the female... I. broadest view; II. profile, of k, kernel or nucleus of the head, and m, filamentous body, ending in s, the long slender tail." —Whitney, 1889
Illustration of two spermatozoa from an ape.
William Dwight Whitney, PhD, LLD The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1895) 5819