- Pronunciation
- /TAHR-suhl OR-guhn/
- Category
- Anatomy
- Singular
- Tarsal organ
- Plural
- Tarsal organs
Definition
A small, sensory organ located on the tarsi (the 'feet') of some arachnids, especially spiders, which is used for detecting chemical and environmental stimuli.
Etymology
Derived from the Latin 'tarsus,' meaning 'ankle' or 'foot,' and 'organ,' from the Greek 'organon,' meaning 'instrument' or 'tool'.
Example
The tarsal organs of the jumping spider allow it to detect chemical cues from its environment, aiding in prey detection and navigation.
Synonyms
- Chemosensory organ
- Sensory gland
Related Terms
Usage Notes
Tarsal organs are particularly well-developed in some spider species and play a critical role in environmental interaction.