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| a microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane, the basic structural unit of all organisms |
| an organism that is not adapted to prevailing conditions or producing offspring that maintain its contribution of genes to the next generation |
cornification cor·ni·fi·ca·tion (kôr'nə-fĭ-kā'shən)
n.
See keratinization.