Antecosta
- Pronunciation
- /an-teh-kaw-stuh/
- Category
- Anatomy
- Singular
- Antecosta
- Plural
- Antecosta
Definition
A transverse ridge or carina near the anterior margin of the tergum of the thorax or abdomen in insects, marking the internal attachment of the dorsal longitudinal muscles.
Etymology
From Latin 'ante' meaning 'before' and 'costa', meaning 'rib'.
Example
The antecosta on the abdomen of a dragonfly provides a critical structure for muscle attachment during flight.