Nervous System

a diagram showing the brain of a crayfish

Step 1
Locate a pair of nerves leading from the ventral nerve cord around the esophagus to the large ganglion, or brain, in the head. Short nerves connect the eyes, antennae, and antennules to the brain.

Next: Circulatory System

Crayfish Dissection

Setup for the Dissection
External Anatomy
Respiratory System
Muscle System
Nervous System
Circulatory System
Digestive and Excretory System
Male Anatomy
Female Anatomy
Cleanup