| microfilm | 1. A photographic film bearing greatly reduced images of printed records. 2. To record on microfilm. (05 Mar 2000) |
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| microflora | The bacteria and fungi that inhabit an area. (05 Mar 2000) |
| microfollicular adenoma | <tumour> A foetal adenoma of the thyroid composed of very small follicles and solid alveolar groups of thyroid epithelial cells. (05 Mar 2000) |
| microfollicular goiter | Goiter in which the glandular tissue consists of unusually small colloid filled follicles and areas of undifferentiated tissue with indistinct follicle formation. (05 Mar 2000) |
| microform | <biology> A microscopic form of life; an animal or vegetable organism microscopic size. Origin: Micro- + form, n. Source: Websters Dictionary (01 Mar 1998) |
| 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) |
| 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) |