phagocytosis
/fag-uh-sahy-toh-sis/US // ˌfæg ə saɪˈtoʊ sɪs //UK // (ˌfæɡəsaɪˈtəʊsɪs) //
吞噬作用,吞噬功能,吞噬,吞噬细胞
Definitions
n.名词 noun
- 1
- : Physiology. the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local infolding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells.
Examples
They appear to be more or less specific, a separate opsonin being necessary for phagocytosis of each species of bacteria.
Hence the names phagocyte, or devouring cell, given to the enveloping white globule, and phagocytosis to the process.
There are two conditions, under normal circumstances, in which phagocytosis plays a marked part.
Moreover, he observed a very active phagocytosis in refractory animals and the reverse in sensitive ones.
In autumn 1883 he read his first paper on phagocytosis to a congress of physicians and naturalists at Odessa.
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