(biochemistry) A substance allied to alkali albumin and to mucin, present in semen, to which it is said to impart the mucilaginous character.

sperm whale

plural of spermatangium

Synonym of gametangium

Of or pertaining to a spermatheca.

plural of spermalege

A special-purpose organ found in bedbugs that appears to have evolved to mitigate the effects of traumatic insemination. It has two embryologically distinct parts: the ectospermalege and mesospermalege.

(botany) Alternative form of spermatophyte

plural of spermaphyte

Synonym of spermist