excretion defined in 1951 year

excretion - excretion;
excretion - Getting rid of products of metabolism (either by storing them in insoluble form, or by removing them from body). In animals particularly applies to products of protein metabolism, organs mainly concerned being kidneys of vertebrates, Malpighian tubes of insects, and probably nephridia in many other invertebrates.

near excretion in Knolik

letter "E"
start from "EX"

definition of word "excretion" was readed 861 times

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