| fibrous cortical defect | A common 1 to 3 cm defect in the cortex of a bone, most commonly the lower femoral shaft of a child, filled with fibrous tissue. Nonosteogenic or nonossifying fibroma by convention refers to lesions greater than 3 cm in diameter. See: nonossifying fibroma. Synonym: nonosteogenic fibroma. (05 Mar 2000) |
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| fibrous degeneration | Not a degeneration per se, but rather a reparative process; cells and foci of tissue previously affected with degenerative processes, and necrosis, are replaced by cellular fibrous tissue. (05 Mar 2000) |
| fibrous digital sheaths of foot | Fibrous sheaths of the toes, the tubular fibrous layer enclosing the synovial sheath and the tendons of the long and short flexors of the toes and the flexor hallucis longus in the digits; they are composed of annular and cruciform parts. Synonym: vaginae fibrosae digitorum pedis. (05 Mar 2000) |
| fibrous digital sheaths of hand | Fibrous sheaths of the digits of the hand, the tubular fibrous layers that enclose the synovial sheaths and the superficial and deep flexor tendons and the tendon of the flexor pollicis longus in their passage along their respective digits; they are composed of annular and cruciform parts. Synonym: vaginae fibrosae digitorum manus. (05 Mar 2000) |
| fibrous dysplasia | A condition of cystic bone growth that results from abnormal bone development. May occur with bone lesions, skin pigmentation and endocrine abnormalities. See: McCune-Albright syndrome. Origin: Gr. Plassein = to form (27 Sep 1997) |
| fibrous dysplasia, monostotic | Fibrous dysplasia of bone involving only one bone. (12 Dec 1998) |
| fibrous dysplasia of bone | A disease of bone marked by thinning of the cortex and replacement of bone marrow by gritty fibrous tissue containing bony spicules, producing pain, disability, and gradually increasing deformity. Only one bone may be involved (fibrous dysplasia, monostotic) or several (fibrous dysplasia, polyostotic). (12 Dec 1998) |
| fibrous dysplasia of jaws | <radiology> Hereditary form of polyostotic fibrous dysplasia, involves mandible (12 Dec 1998) |
| fibrous dysplasia, polyostotic | Fibrous dysplasia of bone affecting several or many bones. When associated with melanotic pigmentation of the skin and endocrine disorders, it is known as albright's syndrome. (12 Dec 1998) |
| fibrous goiter | A firm hyperplasia of the thyroid and its capsule. (05 Mar 2000) |
| 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) |
| 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 layer | The outer dense connective tissue layer of the periosteum. (05 Mar 2000) |