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n. A receptacle in the reproductive tracts of certain female invertebrates, especially insects, in which spermatozoa are received and stored until needed to fertilize the ova.

n. A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova.

n. A small sac connected with the female reproductive organs of insects and many other invertebrates, serving to receive and retain the spermatozoa.

n. A spermatic case, capsule, or sheath; a receptacle for semen; specifically, the seminal receptacle in the female, as of various insects and other invertebrates, which receives and conveys or detains the sperm of the male. More correctly spermatotheca. See cuts under Dendrocœla, ovariole, and Rhabdocœla.

"These spermatozoa, whose number Dr. Leuckart estimates at twenty-five millions, are preserved alive in a special gland known as the spermatheca, that is situate under the ovaries, at the entrance to the common oviduct."

spermathecal