| fibrolamellar liver cell carcinoma | <tumour> Primary hepatic carcinoma in which malignant hepatocytes are intersected by fibrous lamellated bands. Synonym: oncocytic hepatocellular tumour. (05 Mar 2000) |
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| fibrolase | <enzyme> From the venom of agkistrodon contortrix; direct-acting fibrin-degrading zinc-metalloproteinase; mw 23-25kda; cleaves primarily the aa-chain of human fibrinogen and fibrin between the lys-413 and leu-414 position; the bb chain is cleaved more slowly; gamma chain is minimally affected Registry number: EC 3.4.24.- Synonym: agkistrodon contortrix fibrin-degrading metalloprotease (26 Jun 1999) |
| fibroleiomyoma | <tumour> A leiomyoma containing non-neoplastic collagenous fibrous tissue, which may make the tumour hard; fibroleiomyoma usually arises in the myometrium, and the proportion of fibrous tissue increases with age. Synonym: fibroid, leiomyofibroma. (05 Mar 2000) |
| fibrolipoma | <tumour> A lipoma with an abundant stroma of fibrous tissue. Synonym: lipoma fibrosum. (05 Mar 2000) |
| fibrolite | <chemical> A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition. Synonym: sillimanite, and bucholizite. Origin: L. Fibra a fibre: cf. F. Fibrolithe. Source: Websters Dictionary (01 Mar 1998) |
| fibroma | <oncology, tumour> A benign (non-cancerous) tumour which consists of fibrous tissues or connective tissue. (09 Oct 1997) |
| fibroma molle | A polypoid outgrowth of both epidermis and dermal fibrovascular tissue, common terminology for any small benign cutaneous lesion. Synonym: acrochordon, fibroepithelial polyp, fibroma molle, senile fibroma, soft wart. (05 Mar 2000) |
| fibroma molle gravidarum | Skin tags or polyps that develop on women during pregnancy and often disappear at term. (05 Mar 2000) |
| fibroma myxomatodes | <tumour> A benign neoplasm of fibrous connective tissue that resembles primitive mesenchymal tissue. Synonym: fibroma myxomatodes, myxoma fibrosum. Origin: myxo-+ L. Fibra, fibre, + G. -oma, tumour (05 Mar 2000) |
| fibroma virus, rabbit | A species of leporipoxvirus causing subcutaneous localised swellings in rabbits, usually on the feet. (12 Dec 1998) |
| fibroma, desmoplastic | A extremely rare bone tumour characterised by abundant collagen formation and a fibrous stroma, without evidence of mitosis or pleomorphism. It appears on X-rays as an osteolytic lesion with well-defined margins and must be differentiated from primary fibrosarcoma of bone. (devita jr et al., cancer: principles & practice of oncology, 3d ed, p1441) (12 Dec 1998) |
| fibroma, ossifying | A benign, relatively slow-growing, central bone tumour, usually of the jaws (especially the mandible) which is composed of fibrous connective tissue within which bone is formed. (12 Dec 1998) |
| fibromatoid | A focus, nodule, or mass (of proliferating fibroblasts) that resembles a fibroma but is not regarded as neoplastic. (05 Mar 2000) |
| fibromatosis | 1. A condition characterised by the occurrence of multiple fibromas, with a relatively large distribution. 2. Abnormal hyperplasia of fibrous tissue. (05 Mar 2000) |
| fibromatosis colli | A fibrous mass in the midportion of the sternocleidomastoid muscle; the mass may be a haematoma resulting from a birth injury and may cause torticollis. (05 Mar 2000) |