palpal organ
- Pronunciation
- /PAL-puhl OR-gan/
- Category
- Anatomy
- Singular
- palpal organ
- Plural
- palpal organs
Definition
A specialized structure present in male spiders located at the end of their pedipalps, used to transfer sperm to the female during mating.
Etymology
Derived from 'palp' referring to the pedipalps (appendages used for sensory functions), and 'organ' indicating a specialized structure.
Example
The palpal organ of the male tarantula is crucial for the successful transfer of sperm to the female's epigyne.
Synonyms
- Genital bulb
- Embolus
Related Terms
Usage Notes
The palpal organ is unique to male spiders and is an essential part of their reproductive anatomy.