stomogastric nervous system (ARTHRO: Insecta) The nervous system directly connected to the brain, innervating the fore and middle intestine, heart and certain other parts; the esophageal nervous system; sympathetic system.
stone canal (ECHINOD: Asteroidea) A vertical canal containing calcareous deposits in its wall, that descends to the oral side of the disc, joining a circular canal (the water ring) at the inner side of the ossicles that ring the mouth.
storage pots (ARTHRO: Insecta) In Hymenoptera, containers constructed of cerumen for food storage by social bees; a honey pot.
strahl n.; pl. strahlen [Ger. strahl, ray] A ciliary process, ray or barbule.
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