Visual afferents from an eye in the terrestrial slug Limax valentianus
Yuko Matsuo,
Airi Kawakami,
Ryota Matsuo
Abstract:Terrestrial gastropods have a lens‐bearing eye on the tip of their tentacles. There are two morphologically distinct photoreceptors, called Type‐I and Type‐II photoreceptors, in the retina. Type‐I photoreceptors are equipped with highly developed photoreceptive microvilli in their outer rhabdomeric segment, whereas Type‐II photoreceptors have short and fewer microvilli. Although both types of photoreceptors send afferent projections directly to the brain, their destinations in the brain, called optic neuropile… Show more
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