| AHF | acute heart failure; American Health Foundation; American Hepatic Foundation; American Hospital Form... |
|---|---|
| AIF | anemia-inducing factor; anti-inflammatory; anti-invasion factor |
| BCF | basophil chemotactic factor; bioconcentration factor; breast cyst fluid |
| BPF | bradykinin-potentiating factor; bronchopulmonary fistula; burst-promoting factor |
| BSF | back scatter factor; B-cell stimulatory factor; busulfan |
D factor
| Piltz sign | A constriction of both pupils when an effort is made to close eyelids forcibly held apart. A variant of the pupil response to near vision. Synonym: Galassi's pupillary phenomenon, Gifford's reflex, lid-closure reaction, orbicularis phenomenon, orbicularis pupillary reflex, Piltz sign, Westphal's pupillary reflex, Westphal-Piltz phenomenon. (05 Mar 2000) |
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| Pins' sign | <clinical sign> In large pericardial effusions, an area of dullness with bronchial breathing and bronchophony below the angle of the left scapula. Synonym: Pins' sign. (05 Mar 2000) |
| Collier's sign | <clinical sign> Unilateral or bilateral lid retraction due to midbrain lesion; occurring at any age. See: setting sun sign, Epstein's sign. Synonym: Collier's tucked lid sign. (05 Mar 2000) |
| Collier's tucked lid sign | <clinical sign> Unilateral or bilateral lid retraction due to midbrain lesion; occurring at any age. See: setting sun sign, Epstein's sign. Synonym: Collier's tucked lid sign. (05 Mar 2000) |
| Weber's sign | <syndrome> Midbrain tegmentum lesion characterised by ipsilateral oculomotor nerve paresis and contralateral paralysis of the extremities, face, and tongue. Synonym: Weber's sign. (05 Mar 2000) |
| colon cutoff sign | Radiographic sign of (usually) inflammatory disease preventing distention of the distal transverse colon. (05 Mar 2000) |
| Weiss' sign | <clinical sign> In tetany, tapping the muscles of the face causes them to go into spasm. Chvostek's sign is positive in cases of severe hypocalcaemia. (27 Sep 1997) |
| Pitres' sign | <clinical sign> Diminished sensation in the testes and scrotum in tabes dorsalis. Synonym: haphalgesia. (05 Mar 2000) |
| Wernicke's sign | In hemianopeia, a reaction due to damage of the optic tract, consisting in loss of pupillary constriction when the light is directed to the blind side of the retina; pupillary constriction is maintained when light stimulates the normal side. This sign cannot be seen with a bright light because of intraocular scatter onto the seeing half of the retina. Synonym: Wernicke's sign. (05 Mar 2000) |
| westermark sign | <radiology> Seen in 2% of pulmonary embolism, focal oligaemia (vasoconstriction) distal to embolus (12 Dec 1998) |
| Westermark's sign | In chest radiography, an abrupt tapering of a vessel caused by pulmonary thromboembolic obstruction. (05 Mar 2000) |
| Westphal-Erb sign | <clinical sign> Abolition of the patellar tendon reflex, in tabes and certain other diseases of the spinal cord, and occasionally also in brain disease. Synonym: Erb sign, Westphal's phenomenon, Westphal's sign, Westphal-Erb sign. (05 Mar 2000) |
| Westphal's sign | <clinical sign> Abolition of the patellar tendon reflex, in tabes and certain other diseases of the spinal cord, and occasionally also in brain disease. Synonym: Erb sign, Westphal's phenomenon, Westphal's sign, Westphal-Erb sign. (05 Mar 2000) |
| Comby's sign | <clinical sign> An early sign of measles, consisting in thin whitish patches on the gums and buccal mucous membrane, formed of desquamating epithelial cells. (05 Mar 2000) |
| comet sign | In chest radiology, the curved appearance of pulmonary arteries and veins associated with round atelectasis, fibrosis associated with organizing pleurisy. Synonym: comet tail sign. (05 Mar 2000) |