Patella

Definition

A small sclerite (hardened body part) found in the legs of certain arachnids, including spiders, situated between the femur and the tibia.

Etymology

From Latin 'patella', meaning 'small plate' or 'kneecap'.

Example

In the spider's leg, the patella acts as a pivotal point for the leg's movement.

Synonyms

• Kneecap (in arthropods)

Related Terms

• Sclerite
• Femur
• Tibia
• Arthropod leg

Usage Notes

While 'patella' is commonly used to describe a part of the human knee, in arachnology, it refers specifically to a segment of the leg structure.