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Cerebral ganglion

Earthworm dissection of it's cerebral ganglion ('brain')

The earthworm’s ‘brain’. Earthworms have a simple nervous system. The cerebral ganglion is connected to a ventral nerve cord that runs the length of the body. Each segment is connected to this cord, allowing earthworms to move and respond to light, touch, chemicals, vibrations and more.

Acknowledgement: Sara L Roggemann, Three Flowers Photography

Glossary

Rights: Sara L Roggemann, Three Flowers Photography
Published: 12 June 2012Updated: 23 March 2017Size: 35.89 KB
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