epigynum

Pronunciation: /eh-PIJ-ih-num/

Category: Anatomy

Singular: epigynum

Plural: epigyna

Definition

The external genital structure of female spiders, located on the underside of the abdomen, which is involved in the reception of sperm and egg laying.

Etymology

From Greek 'epi-', meaning 'upon', and 'gyne', meaning 'woman' or 'female'.

Example

The shape and structure of the epigynum can be used to differentiate between species of spiders.

Synonyms

Epigyne

Related Terms

Genitalia
Spinnerets
Abdomen
Spermatheca

Usage Notes

The epigynum is often examined under a microscope for species identification and to study spider reproductive biology.