| foreign body | Anything in the tissues or cavities of the body that has been introduced there from without, and that is not rapidly absorbable. (05 Mar 2000) |
|---|---|
| foreign-body appendicitis | Appendicitis caused by obstruction of the lumen of the appendix by a foreign substance, such as a particulate foreign body. (05 Mar 2000) |
| foreign body aspiration | <radiology> 80% most likely to be obstructive emphysema (air trapping), 20% most likely to be obstructive atelectasis, <1% most likely to be normal aeration, normal bronchi dilate during inspiration, the aspirated particle acts as a one-way valve, decubitus or inspiratory/expiratory views (12 Dec 1998) |
| foreign body giant cell | <pathology> Syncytium formed by the fusion of macrophages in response to an indigestible particle too large to be phagocytosed for example talc, silica or asbestos fibres). There may be as many as 100 nuclei randomly distributed: similar cells but with the nuclei more peripherally located (Langhans cells) are found at the centre of tuberculous lesions. (06 Mar 1998) |
| foreign body granuloma | A granuloma caused by the presence of foreign particulate material in tissue, characterised by a histiocytic reaction with foreign body giant cells. (05 Mar 2000) |
| foreign-body migration | Migration of a foreign body from its original location to some other location in the body. (12 Dec 1998) |
| foreign-body reaction | Chronic inflammation and granuloma formation around irritating foreign bodies. (12 Dec 1998) |
| foreign body salpingitis | Salpingitis in which giant cells form in the tissue, as a result of introduction of foreign material into the fallopian tube. (05 Mar 2000) |
| foreign body tumourigenesis | Induction of malignant tumours in tissues by nonviable, nonabsorable solid material not known to contain a chemical carcinogen. (05 Mar 2000) |
| lateral geniculate body | The lateral one of a pair of small oval masses that protrude slightly from the posteroinferior aspects of the thalamus; its main (dorsal) subdivision serves as a processing station in the major pathway from the retina to the cerebral cortex, receiving fibres from the optic tract and giving rise to the geniculocalcarine radiation to the visual cortex in the occipital lobe. Synonym: corpus geniculatum laterale, corpus geniculatum externum. (05 Mar 2000) |
| L-D body | The intracytoplasmic, nonflagellated leishmanial form of certain intracellular parasites, such as species of Leishmania or the intracellular form of Trypanosoma cruzi; originally used for Leishmania donovani parasites in infected spleen or liver cells in kala azar. Synonym: amastigote, L-D body. (05 Mar 2000) |
| LE body | <pathology> A globular mass of nuclear material that stains with haematoxylin, associated with lesions of systemic lupus erythematosus. (18 Nov 1997) |
| Leishman-Donovan body | The intracytoplasmic, nonflagellated leishmanial form of certain intracellular parasites, such as species of Leishmania or the intracellular form of Trypanosoma cruzi; originally used for Leishmania donovani parasites in infected spleen or liver cells in kala azar. Synonym: amastigote, L-D body. (05 Mar 2000) |
| fruiting body | <microbiology, plant biology> A macroscopic reproductive structure produced by some fungi (for example, mushrooms) and some bacteria (for example, myxobacteria). Fruiting bodies are distinct in size, shape, and colouration for each species. (13 Nov 1997) |
| Lieutaud's body | A triangular smooth area at the base of the bladder between the openings of the two ureters and that of the urethra. Synonym: trigonum vesicae, Lieutaud's body, Lieutaud's triangle, Lieutaud's trigone, vesical triangle. (05 Mar 2000) |