A pore or opening in an organism that functions for self-regulation or self-discharge, particularly in protozoans or colonial organisms.
From auto- (self) + pore (an opening). This biological term refers to specialized pores that allow organisms to manage their own internal conditions.
Some single-celled organisms have autopores that let them squirt out excess water or waste—it's like having a built-in pressure relief valve for microscopic life.
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