Lymnaea buccal ganglia: an active map

This picture is a micrograph of the buccal ganglia of the pond snail Lymnaea. The buccal ganglia area bout 800 µm across and it is always constructed to the same pattern in every snail. Some of the neurons (nerve cells) are in focus, but others are further away from the microscope and so are not sharply defined. See if you can spot the outlines of some of the big cells?

Move your mouse over the left buccal ganglion. Then the photograph should appear overlaid with blue outlines showing you a map of some of the bigger cells. When you move the mouse away, the map will clear again (after a short lag). If you click on a cell, you will get its identity and a short summary of its function


Read On: Activity in Buccal neurons

Page written by Chris Elliott on 06 Nov 2003