Figure 8From: A new sensory organ in “primitive” molluscs (Polyplacophora: Lepidopleurida), and its context in the nervous system of chitonsThe position of the “branchial sense organ” on the gill in Leptochiton rugatus . The lateral nerve cord is visible through the pallial epithelium, as is the efferent nerve penetrating the individual gill. Chevron: branchial sense organ; lnc, lateral nerve cord; eff; efferent nerve.Back to article page