Aplysia Nervous System Small 128×320 Medium 256×640 Large 409×1024 Download Tiff Original 959×2400 | (342.5 KB) Description "Nervous System of the Aplysia, a Gasteropodous Mollusc: c, cerebral ganglia; g, thoracle or sub-aesophageal ganglia; o, nervous collar surrounding the aesophagus; l, labial ganglia; v, visceral ganglion." — Chambers, 1881 Keywords Aplysia, Cerebral, Ganglia, Gasteropodous, mollusc, nervous, system, Thoracle Galleries Snails and Slugs Source: William & Robert Chambers Encyclopaedia - A Dictionary of Universal Knowledge for the People (Philadelphia, PA: J. B. Lippincott & Co., 1881)