Spontaneous gangrene of newborn
spontaneous gangrene of newborn n.
Gangrene due to vascular occlusion of unknown cause, usually in marasmic or dehydrated infants.
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- Spontaneous-generation
noun, Biology. 1. abiogenesis. spontaneous generation noun 1. a theory, widely held in the 19th century and earlier but now discredited, stating that living organisms could arise directly and rapidly from nonliving material Also called abiogenesis spontaneous generation The supposed development of living organisms from nonliving matter, as maggots from rotting meat. The theory of […]
- Spontaneously
adjective 1. coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned: a spontaneous burst of applause. 2. (of a person) given to acting upon sudden impulses. 3. (of natural phenomena) arising from internal forces or causes; independent of external agencies; self-acting. 4. growing naturally or without cultivation, […]
- Spontaneous mutation
spontaneous mutation n. A mutation that arises naturally and not as a result of exposure to mutagens. Also called natural mutation.
- Spontaneousness
adjective 1. coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned: a spontaneous burst of applause. 2. (of a person) given to acting upon sudden impulses. 3. (of natural phenomena) arising from internal forces or causes; independent of external agencies; self-acting. 4. growing naturally or without cultivation, […]
- Spontaneous pneumothorax
spontaneous pneumothorax n. A pneumothorax occurring secondary to parenchymal lung disease.