Definition: Gill, the respiratory organ of many aquatic animals. It contains a filamentous outgrowth well supplied with blood vessels at which gas exchange between water and blood occurs.
gill
By Shirlie Sharpe, About.com Guide
Suggested Reading
Related Articles
- metal halide lamp - a definition of the aquarium term metal halide lamp
- wet/dry filter - a definition of the aquarium term wet/dry filter
- electric shock organ - definition of the aquarium term electric shock organ
- cheek row scale count - definition of the aquarium term cheek row scale cou...
- caudal peduncle scale count - definition of the aquarium term caudal pedunc...
Explore Freshwater Aquariums
Must Reads
Most Popular