| pruritus | 1. <symptom> Itching, an unpleasant cutaneous sensation that provokes the desire to rub or scratch the skin to obtain relief. 2. Any of various conditions marked by itching, the specific site or type being indicated by a modifying term. Origin: L. From prurire = to itch (06 Oct 1997) |
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| pruritus aestivalis | Pruritus occurring during hot weather; may be associated with prickly heat. Synonym: summer itch. (05 Mar 2000) |
| pruritus ani | Intense chronic itching in the anal area. (12 Dec 1998) |
| pruritus balnea | Itching produced by inadequate rinsing off of soap or by overdrying of skin from excessive bathing. Synonym: bath itch, pruritus balnea. (05 Mar 2000) |
| pruritus hiemalis | A recurrent eczema appearing with the advent of cold weather. Synonym: frost itch, lumberman's itch, pruritus hiemalis, winter itch. (05 Mar 2000) |
| pruritus senilis | Senile pruritus, itching associated with dryness of the skin in the aged. (05 Mar 2000) |
| pruritus vulvae | Intense itching of the external female genitals. (12 Dec 1998) |
| Prussak's fibres | Elastic and connective tissue fibre's bounding the pars flaccida membranae tympani. (05 Mar 2000) |
| Prussak's pouch | A space in the mucous membrane on the inner surface of the tympanic membrane between the flaccid part of the membrane and the neck of the malleus. Synonym: recessus membranae tympani superior, Prussak's pouch, Prussak's space. (05 Mar 2000) |
| Prussak's space | A space in the mucous membrane on the inner surface of the tympanic membrane between the flaccid part of the membrane and the neck of the malleus. Synonym: recessus membranae tympani superior, Prussak's pouch, Prussak's space. (05 Mar 2000) |
| Prussak, Alexander | <person> Russian otologist, 1839-1897. See: Prussak's fibres, Prussak's pouch, Prussak's space. (05 Mar 2000) |
| prussian | Of or pertaining to Prussia. A native or inhabitant of Prussia. <chemistry> Prussian blue Same as Berlin green, under Berlin. Origin: From Prussia, the country: cf. F. Prussien. Source: Websters Dictionary (01 Mar 1998) |
| Prussian blue | Fe4(Fe(CN)6)3; ferric ferrocyanide;a dye used to colour injection masses for blood vessels and lymphatics, and in staining of siderocytes. Synonym: Prussian blue. (05 Mar 2000) |
| prussian blue reaction | The reaction of potassium ferrocyanide with ferric iron to yield a dark blue precipitate at the sites of the ferric iron. Used to determine ferric iron in tissues, particularly in the diagnosis of disorders of iron metabolism. (12 Dec 1998) |
| Prussian blue stain | <technique> A stain employing acid potassium ferrocyanide to demonstrate iron, as in siderocytes. (05 Mar 2000) |