| microgamete | The male element in anisogamy, or conjugation of cells of unequal size; it is the smaller of the two cells and actively motile. Origin: micro-+ G. Gametes, husband (05 Mar 2000) |
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| microgametocyte | The mother cell producing the microgametes, or male elements of sexual reproduction in sporozoan protozoans and fungi. Synonym: microgamont. (05 Mar 2000) |
| microgametophyte | <plant biology> A plant body or cell lineage, formed by vegetative growth of the microspore, that produces the male gametes of a heterosporous plant. (09 Oct 1997) |
| microgamont | The mother cell producing the microgametes, or male elements of sexual reproduction in sporozoan protozoans and fungi. Synonym: microgamont. (05 Mar 2000) |
| microgamy | Conjugation between two young cells, the recent product of sporulation or some other form of reproduction. Origin: micro-+ G. Gamos, marriage (05 Mar 2000) |
| microgastria | Smallness of the stomach. Origin: micro-+ G. Gaster, stomach (05 Mar 2000) |
| microgenia | Abnormal smallness of the chin resulting from the underdevelopment of the mental symphysis. Origin: micro-+ G. Geneion, chin (05 Mar 2000) |
| microgenitalism | Abnormal smallness of the external genital organs. (05 Mar 2000) |
| microglandular adenosis | Adenosis of the breast in which irregular clusters of small tubules are present in adipose or fibrous tissues, resembling tubular carcinoma but lacking stromal fibroblastic proliferation. (05 Mar 2000) |
| microglia | <pathology> A part of the neuroglia. It consists of small glial cells which migrate through nerve tissue and remove waste products by phagocytosis. (09 Oct 1997) |
| microglia cells | <pathology> A part of the neuroglia. It consists of small glial cells which migrate through nerve tissue and remove waste products by phagocytosis. (09 Oct 1997) |
| microgliacyte | A cell, especially an embryonic cell, of the microglia. Origin: micro-+ G. Glia, glue, + kytos, cell (05 Mar 2000) |
| microglial cell | <pathology> Small glial cells of mesodermal origin, with scanty cytoplasm and small spiny processes. Distributed throughout grey and white matter. Derive from monocytes and invade neural tissue just before birth, capable of enlarging to become macrophages. (18 Nov 1997) |
| microglioma | <tumour> Obsolete term for an intracranial neoplasm of microglial cell origin that is structurally similar to lymphoma. Origin: microglia + G. -oma, tumour (05 Mar 2000) |
| microgliomatosis | An obsolete term for a condition characterised by the presence of multiple microgliomas. (05 Mar 2000) |