| IRIS | integrated risk information system; interleukin regulation of immune system; International Research ... |
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| iRNA | immune ribonucleic acid; informational ribonucleic acid |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| ISG | immune serum globulin |
| ITP | idiopathic thrombocytopenic purpura; immune thrombocytopenia; immunogenic thrombocytopenic purpura; ... |
| central fibrous body | <anatomy, cardiology> The fibrous area where the leaflets of the aortic, mitral, and tricuspid valves meet in the heart. (05 Mar 2000) |
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| peduncle of mamillary body | A fascicle of nerve fibres passing to the mamillary body along the ventral surface of the midbrain; it consists of fibres that originate from the dorsal and ventral tegmental nuclei. Synonym: pedunculus corporis mamillaris, fasciculus pedunculomamillaris, pedunculomamillary fasciculus. (05 Mar 2000) |
| residual body | 1. <cell biology> Secondary lysosomes containing material that cannot be digested. 2. <biology> The surplus cytoplasm shed by spermatids during their differentiation to spermatozoa. Usually the cytoplasm from several spermatids connected by cytoplasmic bridges. 3. <microbiology> Surplus cytoplasm containing pigment and left over after production of merozoites during schizogony of malaria parasites. (18 Nov 1997) |
| residual body of Regaud | The excess cytoplasm that separates from the spermatozoon during spermiogenesis. (05 Mar 2000) |
| pedunculus of pineal body | See: habenula. (05 Mar 2000) |
| rest body | A small mass of cytoplasm remaining after the nucleus and cytoplasm of the schizont of certain sporozoan protozoa have divided into asexual spores or merozoites. (05 Mar 2000) |
| restiform body | A lateral (larger) subdivision of the inferior cerebellar peduncle composed of a variety of fibres including, but not limited to, olivo-, reticulo-, cuneo-, trigemino-, and dorsal spinocerebellar. See: inferior cerebellar peduncle. Synonym: corpus restiforme. (05 Mar 2000) |
| melon-seed body | A small fibrous loose body in the joints or tendon sheaths. (05 Mar 2000) |
| Golgi body | <cell biology> Intracellular stack of membrane bounded vesicles in which glycosylation and packaging of secreted proteins takes place. Part of the GERL complex. Synonym: Golgi body, Golgi vesicles, dictyosome (in plants), parabasal body (in flagellate protozoa). (11 Jan 1998) |
| perineal body | central tendon of perineum |
| granuloma, foreign-body | Histiocytic, inflammatory response to a foreign body. It consists of modified macrophages with multinucleated giant cells, in this case foreign-body giant cells (giant cells, foreign-b0dy), usually surrounded by lymphocytes. (12 Dec 1998) |
| rice body | One of the small, loose body's found in hygromas, tendon sheaths, and joints. (05 Mar 2000) |
| ringworm of body | A fungal skin infection sometimes referred to as ringworm. Typically a scaly, red-shaped ring on the skin. Commonly seen in children. Treatment requires an antifungal cream such as clotrimazole or miconazole. (27 Sep 1997) |
| Guarnieri body | Acidophilic inclusion body found in cells infected with vaccinia virus, composed of viral particles and proteins, it is the location of virus replication and assembly. (18 Nov 1997) |
| chromaffin body | A small, roundish body containing chromaffin cells; a number of such bodies may be found retroperitoneally near the aorta and in organs such as the kidney, liver, heart, and gonads. Synonym: chromaffin body. (05 Mar 2000) |