Neuropeptides {egg-laying hormone} (ELH) can regulate sea-snail egg laying. Atrial glands secrete A and B peptides, which depolarize bag cells. Bag cells secrete multiple peptides, including egg-laying hormones, into blood to affect central neurons and ovotestis.
Biological Sciences>Zoology>Organ>Endocrine Gland>Hormone>Sex
4-Zoology-Organ-Endocrine Gland-Hormone-Sex
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Date Modified: 2022.0224