Nervous System
The central nervous system of harvestmen, which evolved from a segmented structure, is centralized around the esophagus. The part above the esophagus (syncerebrum) consists of protocerebrum (associated with the eyes) and deutocerebrum (associated with the chelicerae). The nerves of the pedipalp, walking legs, and some for the opisthosoma emerge from the part below the esophagus. The peripheral nervous system is not well studied.
Read more about this topic: Harvestman Anatomy
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