Receptaculum
- Pronunciation
- /ree-sep-TAK-yoo-lum/
- Category
- Anatomy
- Singular
- Receptaculum
- Plural
- Receptacula
Definition
A structure within the reproductive system of female spiders that stores sperm received from the male during copulation.
Etymology
From Latin 'receptaculum', meaning 'reservoir' or 'container'.
Example
The female black widow spider has a receptaculum that stores sperm until she is ready to fertilize her eggs.
Synonyms
- Spermatheca
- Sperm reservoir
Related Terms
- Copulation
- Sperm
- Reproductive system
Usage Notes
Receptacula are vital for the reproductive success of spiders, allowing females to control the timing of fertilization.