Cuspule

Definition

Small, pointed projections or spines on the exoskeleton of certain arachnids, particularly on the pedipalps, which are thought to aid in sensory functions or in prey capture.

Etymology

Derived from the Latin 'cuspis,' meaning 'point' or 'spear,' and the diminutive suffix '-ule,' indicating small size.

Example

The cuspules on the pedipalps of tarantulas may play a role in detecting prey movements.

Synonyms

• Spines
• Projections

Related Terms

• Pedipalps
• Sensory organs
• Exoskeleton
• Arachnid
• Tarantula

Usage Notes

Cuspules are often species-specific in their shape, size, and distribution, helping in the identification of various arachnid species.