Anal lobe
- Pronunciation
- /an-al-lohb/
- Category
- Anatomy
- Singular
- Anal lobe
- Plural
- Anal lobes
Definition
A lobe or projection located at the rear end of an insect, often at the sides of the anus. They may play a role in locomotion or other physiological functions.
Etymology
From Latin 'anus', meaning 'ring' or 'anal opening', and 'lobe', referring to a rounded projection.
Example
The anal lobes of some male butterflies are enlarged and may be used for gripping during mating.
Related Terms
- Proctiger
- Paraproct
Usage Notes
Anal lobes are often observed in the larval stages of certain insects and can be key in species identification.