Rastellum

Pronunciation
/ras-TEL-um/
Category
Anatomy
Singular
Rastellum
Plural
Rastella

Definition

A modified structure found in certain spiders, particularly tarantulas, used for digging or burrowing.

Etymology

From Latin 'rastellum', meaning 'small rake' or 'rake-like tool'.

Example

The tarantula used its rastellum to dig a burrow in the soft soil.

Synonyms

  • Rake-like appendage

Related Terms

Usage Notes

Rastella are specialized structures and are particularly well-developed in burrowing species of spiders.