Pronunciation: pin'o-si-to'sis, pi'no-
Definition: The cellular process of actively engulfing liquid, a phenomenon in which minute incuppings or invaginations are formed in the surface of the cell membrane and close to form fluid-filled vesicles; it resembles phagocytosis.
[pinocyte + G. -osis, condition]
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Examples: glitazone, GI cocktail, etc.