Definitions
from The Century Dictionary.
- noun The shell-secreting organ of a mollusk.
- noun An excretory organ of the lower crustaceans, as entomostracans, forming a looped canal in a mantle-like fold of the integument, one end being cæcal, the other opening beneath the mantle: so called from its position beneath the shell. See cuts under
Apus and Daphnia. - noun In flatworms, the gland which supplies the material for the formation of egg-shells.
Etymologies
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Examples
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Water Slaters with the "green gland" or "shell-gland" of other crustacea, assuming that the green gland has no efferent duct and appealing to the fact that the two organs occur "in the same place."
Facts and Arguments for Darwin Fritz Muller 1859
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