: the property of a living system (such as a bacterial cell or a multicellular organism) that allows it to maintain and renew itself by regulating its composition and conserving its boundaries
The notion of autopoiesis is at the core of a shift in perspective about biological phenomena: it expresses that the mechanisms of self-production are the key to understand both the diversity and the uniqueness of the living.—Francisco J. Varela, in Self-Organizing Systems: An Interdisciplinary Approach, 1981 All living beings, from bacterial speck to congressional committee member, evolved from the ancient common ancestor which evolved autopoiesis and thus became the first living cell.—Lynn Margulis and Dorion Sagan, What is Life?, 2000
autopoietic
adjective
Some things that reproduce, such as viruses, are not autopoietic, because they are too simple to maintain themselves biochemically.
—Charles Mann, Science, 19 Apr. 1991
Autopoietic structures have definite boundaries, such as a semipermeable membrane, but the boundaries are open and connect the system with almost unimaginable complexity to the world around it.
—John Briggs and F. David Peat, Turbulent Mirror: An Illustrated Guide to Chaos Theory and the Science of Wholeness, 1989
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Merriam-Webster unabridged
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