A sac connected with the reproductive organs of land snails, containing a dart, or arrow-like structure.
noun
0
0
Advertisement
Dart-sac Sentence Examples
Close to them is the remarkable dart-sac ps, a thick-walled sac, in the lumen of which a crystalline four-fluted rod or dart consisting of carbonate of lime is found.
Calciferous gland or dart-sac on the female duct.
Shell with medium spire, external or partly covered by the mantle; genital aperture below the right posterior tentacle; genital apparatus generally provided with a dart-sac and multifid vesicles.