| microbody | <cell biology> Organelle containing peroxidase and catalase, sometimes as a large crystal. A site of oxygen utilisation, but not of ATP synthesis. In plants, associated with chloroplasts in photorespiration and considered to be part of a larger group of organelles, the microbodies. Origin: Gr. Soma = body (18 Nov 1997) |
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| microbrachia | Abnormal smallness of the arms. Origin: micro-+ G. Brachion, arm (05 Mar 2000) |
| microbrenner | An electric cautery with needle point. Origin: micro-+ Ger. Brenner, burner (05 Mar 2000) |
| microcalcification | <radiology> Particles observed on a mammogram that are found in the breast tissue, appearing as small spots on the picture. Usually occur from calcium deposits caused by death of breast cells which may be benign or malignant. When clustered in one area, may indicate the presence of cancerous cells. (14 Oct 1997) |
| microcardia | Abnormal smallness of the heart. Origin: micro-+ G. Kardia, heart (05 Mar 2000) |
| microcarrier | <cell biology> Microcarriers are small solid or in some cases immiscible liquid spheres, on which cells may be grown in suspension culture. They provide a means of obtaining large yields of cells in small volumes. The cells must exhibit anchorage dependence of growth and the dimensions of the carrier bead may be important in controlling growth rate. (13 Nov 1997) |
| microcentrum | Obsolete name for the pericentriolar region. (18 Nov 1997) |
| microcephalia | An abnormally small head of a newborn, a congenitally small brain. (27 Sep 1997) |
| microcephalic | <anatomy> Having a small head; having the cranial cavity small; opposed to megacephalic. Origin: Micro- + cephalic, cephalous. Source: Websters Dictionary (01 Mar 1998) |
| microcephalism | An abnormally small head of a newborn, a congenitally small brain. (27 Sep 1997) |
| microcephalous | <anatomy> Having a small head; having the cranial cavity small; opposed to megacephalic. Origin: Micro- + cephalic, cephalous. Source: Websters Dictionary (01 Mar 1998) |
| microcephaly | An abnormally small head of a newborn, a congenitally small brain. (27 Sep 1997) |
| microcheilia | Smallness of the lips. Origin: micro-+ G. Cheilos, lip (05 Mar 2000) |
| microcheiria | Smallness of the hands. Origin: micro-+ G. Cheir, hand (05 Mar 2000) |
| microchemistry | The study of chemical reactions, using small quantities of materials, frequently less than 1 milligram or 1 milliliter, and often requiring special small apparatus and microscopical observation. The application of chemical tests to minute objects or portions of matter, magnified by the use of the microscopy; distinguished from macrochemistry. (12 Dec 1998) |