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a duct through which saliva passes from the salivary gland into the mouth.
the complete set of alleles (different forms of genes) making up the genetic material of a...
a fine thread-like structure. In plants: the stalk of the male sexual organ.
the process of removing salt and other minerals from seawater, to make it drinkable.
a substance found in certain fatty foods or manufactured in the liver. High levels of...