Photoperiodic control of the albumen gland by neurosecretory canopy cells in the pond snail Lymnaea stagnalis
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The pond snail Lymnaea stagnalis displays clear photoperiodism; it lays more eggs in long-day conditions than in short to medium-day conditions. The lateral lobes (LLs) are paired small budding structures of the cerebral ganglia and regulate egg laying as a co... ...
