| foregut | <anatomy, gastroenterology> The anterior part of the alimentary canal, from the mouth to the intestine, or to the entrance of the bile duct. (06 Mar 1998) |
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| foregut cysts | <radiology> Bronchogenic and enteric cysts: more common on the right, neurenteric cysts: associated with vertebral anomalies, enteric cysts: may contain acid-secreting gastric mucosa;, confirm with TcO4 scan (12 Dec 1998) |
| forehead | The part of the face above the eyes. (12 Dec 1998) |
| forehearth | <chemistry> The forward extension of the hearth of a blast furnace under the tymp. Source: Websters Dictionary (01 Mar 1998) |
| foreign | 1. Outside; extraneous; separated; alien; as, a foreign country; a foreign government. "Foreign worlds." 2. Not native or belonging to a certain country; born in or belonging to another country, nation, sovereignty, or locality; as, a foreign language; foreign fruits. "Domestic and foreign writers." "Hail, foreign wonder! Whom certain these rough shades did never breed." (Milton) 3. Remote; distant; strange; not belonging; not connected; not pertaining or pertient; not appropriate; not harmonious; not agreeable; not congenial; with to or from; as, foreign to the purpose; foreign to one's nature. "This design is not foreign from some people's thoughts." (Swift) 4. Held at a distance; excluded; exiled. "Kept him a foreign man still; which so grieved him, That he ran mad and died." (Shak) Foreign attachment, a substance occurring in any part of the body where it does not belong, and usually introduced from without. Foreign office, that department of the government of Great Britain which has charge British interests in foreign countries. Synonym: Outlandish, alien, exotic, remote, distant, extraneous, extrinsic. Origin: OE. Forein, F. Forain, LL. Foraneus, fr. L. Foras, foris, out of doors, abroad, without; akin to fores doors, and E. Door. See Door, and cf. Foreclose, Forfeit, Forest, Forum. Source: Websters Dictionary (01 Mar 1998) |
| 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 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 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) |
| foreign medical graduates | Physicians who hold degrees from medical schools in countries other than the ones in which they practice. (12 Dec 1998) |
| foreign professional personnel | Persons who have acquired academic or specialised training in countries other than that in which they are working. The concept excludes physicians for which foreign medical graduates is the likely heading. (12 Dec 1998) |
| foreign protein | A protein that differs from any protein normally found in the organism in question. Synonym: heterologous protein. (05 Mar 2000) |
| foreign protein therapy | The injection of a foreign protein to induce fever as a means of treating certain diseases. Synonym: foreign protein therapy. (05 Mar 2000) |