| fibrous hamartoma of infancy | A tumour appearing usually in the upper arm or shoulder in the first two years of life and consisting of cellular fibrous tissue infiltrating the subcutis. (05 Mar 2000) |
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| fibrous histiocytoma | <tumour> A benign lung or bronchial lesion, often subpleural, sometimes multiple, which forms hyalinised connective tissue. Synonym: fibrous histiocytoma. (05 Mar 2000) |
| fibrous joint | A union of two bones by fibrous tissue such that there is no joint cavity and almost no motion possible; the types of fibrous joints are sutures, syndesmoses, and gomphoses. Synonym: articulatio fibrosa, immovable joint, junctura fibrosa, synarthrodia, synarthrodial joint. (05 Mar 2000) |
| fibrous lamina | Alternative name for the nuclear lamina, the region lying just inside the inner nuclear membrane. (18 Nov 1997) |
| fibrous mediastinitis | Scarring of mediastinal structures of unknown origin or due to infection. (05 Mar 2000) |
| fibrous membrane | The outer fibrous part of the capsule of a synovial joint, which may in places be thickened to form capsular ligaments. Synonym: membrana fibrosa, stratum fibrosum, fibrous membrane. (05 Mar 2000) |
| fibrous pericarditis | Scarring, usually with adhesions, of all or most of the pericardium. (05 Mar 2000) |
| fibrous pericardium | See: pericardium. Synonym: pericardium fibrosum. (05 Mar 2000) |
| fibrous plaque | Thickened area of arterial intima with accumulation of smooth muscle cells and fibrous tissue (collagen etc.) produced by the fat laden smooth muscle cells. Below the thickening may be free extracellular lipid and debris that, if much necrosis is also present, is referred to as an atheroma. (18 Nov 1997) |
| fibrous pneumonia | A process affecting pulmonary tissue and leading to deposition of collagen, either interstitially or in alveolar sacs. (05 Mar 2000) |
| fibrous polyp | A polyp consisting chiefly of cellular fibrous tissue, frequently with foci of fairly dense collagen or hyaline material (or both). (05 Mar 2000) |
| fibrous protein | Any insoluble protein, including the collagens, elastins, and keratins, involved in structural or fibrous tissues. (05 Mar 2000) |
| fibrous ring | One of four fibrous rings that surround atrioventricular and arterial orifices of the heart, providing attachment for the valve leaflets and maintaining patency of the orifice. As part of the fibrous skeleton of the heart, the fibrous rings also provide origin and insertion for the myocardium. Synonym: annulus fibrosus cordis, annulus fibrosus, coronary tendon, fibrous ring, Lower's ring. (05 Mar 2000) |
| fibrous ring of heart | One of four fibrous rings that surround atrioventricular and arterial orifices of the heart, providing attachment for the valve leaflets and maintaining patency of the orifice. As part of the fibrous skeleton of the heart, the fibrous rings also provide origin and insertion for the myocardium. Synonym: annulus fibrosus cordis, annulus fibrosus, coronary tendon, fibrous ring, Lower's ring. (05 Mar 2000) |
| fibrous ring of intervertebral disc | The ring of fibrocartilage and fibrous tissue forming the circumference of the intervertebral disc; surrounds the nucleus pulposus, which is prone to herniation when the annulus fibrosus is compromised. Synonym: annulus fibrosus disci intervertebralis, annulus fibrosus, fibrous ring of intervertebral disc, fibrous ring. (05 Mar 2000) |