- The smallest unit of living structure capable of independent existence, composed of a membrane-enclosed mass of protoplasm and containing a nucleus or nucleoid. Cells are highly variable and specialized in both structure and function, although all must at some stage replicate proteins and nucleic acids, use energy, and reproduce themselves.
- A small closed or partly closed cavity; a compartment or hollow receptacle.
- A container of glass, ceramic, or other solid material within which chemical reactions generating electricity take place or solutions are placed for photometric assays.
[L. cella, a storeroom, a chamber]
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.