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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

prurigo nodularis
An eruption of hard nodules (Picker's nodules) in the skin caused by rubbing and accompanied by intense itching. ... Synonym: Hyde's disease. ... (05 Mar 2000) ...

prurigo simplex
A mild form of prurigo having a pronounced tendency to relapse. ... (05 Mar 2000) ...

pruritic
Pertaining to or characterised by pruritus. ... (18 Nov 1997) ...

pruritis
Itching. Pruritis can result from drug reaction, food allergy, kidney or liver disease, cancers, parasites, aging or dry skin, contact skin reaction, such as poison ivy, and for unknown reasons. ... (12 Dec 1998) ...

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) ...

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
Synonym for bath pruritus ... 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
Synonym for dermatitis 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, Alexander
<person> Russian otologist, 1839-1897. ... See: Prussak's fibres, Prussak's pouch, Prussak's space. ... (05 Mar 2000) ...

Prussak's fibres
Elastic and connective tissue fibre's bounding the pars flaccida membranae tympani. ... (05 Mar 2000) ...

Prussak's pouch
Synonym for superior recess of tympanic membrane ... 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
Synonym for superior recess of tympanic membrane ... 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) ...

Prussian blue
Synonym for Berlin 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) ...

prussic acid
Synonym for hydrocyanic acid ... HCN;a colourless, very toxic liquid, with the odour of bitter almonds, present in bitter almonds (amygdalin), the stones of peaches, plums and other fruits, and laurel leaves; inhalation of 300 p.p.m. Causes death. ... Synonym: hydrogen cyanide, prussic acid. ... (05 Mar 2000) ...

PSA
Synonym for prostate-specific antigen ... <tumour marker> A simple blood test used to detect prostate cancer in men. The test measures a specific antigen normally secreted by the prostate. If cancer is developing, the prostate secretes greater amounts of prostate-specific antigen. This test is recommended for men with an enlarged prostate and …

psalter
1. The Book of Psalms; often applied to a book containing the Psalms separately printed. ... 2. Specifically, the Book of Psalms as printed in the Book of Common Prayer; among the Roman Catholics, the part of the Breviary which contains the Psalms arranged for each day of the week. ... 3. A rosary, consisting of a hundred and fifty beads, correspondi …

psalterial
Relating to the psalterium. ... (05 Mar 2000) ...

psalterial cord
Synonym for stria vascularis of cochlea ... The stratified epithelium lining the upper part of the ligamentum spirale cochleae; it is penetrated by capillaries and is believed to be the site of production of endolymph. ... Synonym: stria vascularis ductus cochlearis, psalterial cord, vascular stripe. ... (05 Mar 2000) ...

psammo-
Sand. ... Origin: G. Psammos ... (05 Mar 2000) ...

psammocarcinoma
<tumour> Obsolete term for a carcinoma that contains calcified foci resembling psammoma bodies. ... (05 Mar 2000) ...

psammoma
<tumour> Obsolete term for psammomatous meningioma or meningioma. ... Origin: psammo-+ G. -oma, tumour ... (05 Mar 2000) ...

psammoma bodies
Mineralised body's occurring in the meninges, choroid plexus, and in certain meningiomas; composed usually of a central capillary surrounded by concentric whorls of meningocytes in various stages of hyaline change and mineralization; can also occur in benign and malignant epithelial tumours (often papillary) or with chronic inflammation. ... Synonym …

psammomatous
Possessing or characterised by the presence of psammoma bodies; refers usually to certain types of meningioma or to meningeal hyperplasia with psammoma bodies. ... (05 Mar 2000) ...

psammomatous meningioma
<tumour> A firm cellular neoplasm derived from fibrous tissue of the meninges, choroid plexus, and certain other structures associated with the brain, characterised by the formation of multiple, discrete, concentrically laminated, calcareous bodies (psammoma bodies); most of these neoplasms are histologically benign, but may lead to severe sy …

psammous
Sandy. ... Origin: G. Psammos, sand ... (05 Mar 2000) ...

Psaume
J., 20th century French physician. ... See: Papillon-Leage and Psaume syndrome. ... (05 Mar 2000) ...

PSD
See Prevention of significant deterioration. ... (05 Dec 1998) ...

pselaphesis
Pselaphesia ... The higher tactile sense, including the muscle sense. ... Origin: G. Pselaphesis, a touching ... (05 Mar 2000) ...

psellism
Synonym: stammering. ... Origin: G. Psellismos, a stammering ... (05 Mar 2000) ...

pseudacromegaly
Enlargement of the extremities and face, not caused by acromegaly. ... (05 Mar 2000) ...

pseudagraphia
Partial agraphia in which one can do no original writing, but can copy correctly. ... Synonym: pseudoagraphia. ... Origin: pseud-+ G. A-priv. + grapho, to write ... (05 Mar 2000) ...

pseudalbuminuria
Albuminuria which is not associated with renal disease. ... Synonym: pseudoalbuminuria. ... (05 Mar 2000) ...

pseudallescheria
Ascomycetous fungi, family microascaceae, order microascales, commonly found in the soil. They are causative agents of mycetoma, maduromycosis, and other infections in humans. ... (12 Dec 1998) ...

Pseudallescheria boydii
A species of fungus that causes eumycotic mycetoma and pseuallescheriasis; its conidial (asexual) state is Scedosporium apiospermum. ... Synonym: Allescheria boydii. ... (05 Mar 2000) ...

pseudallescheriasis
A variety of clinical diseases resulting from infection with Pseudallescheria boydii; e.g., pulmonary colonization, fungoma, and invasive pneumonitis, as well as mycotic keratitis, endophthalmitis, endocarditis, meningitis, sinusitis, brain abscesses, cutaneous and subcutaneous infections, and disseminated systemic infections. ... (05 Mar 2000) ...

Pseudamphistomum
A genus of digenetic flukes of the family Opisthorchiidae; Pseudamphistomum truncatum is a species that infects the bile ducts of the dog and cat (rarely of humans) in Europe and India. ... Origin: pseud-+ G. Amphi, two-sided, + stoma, mouth ... (05 Mar 2000) ...

pseudangina
Synonym for angina pectoris vasomotoria ... Angina pectoris in which the breast pain is comparatively slight, but pallor followed by cyanosis, and coldness and numbness of the extremities, are marked. ... Synonym: angina spuria, angina vasomotoria, pseudangina, pseudoangina, reflex angina, vasomotor angina. ... (05 Mar 2000) ...

pseudankylosis
Synonym for fibrous ankylosis ... Stiffening of a joint due to the presence of fibrous bands between and about the bones forming the joint. ... Synonym: false ankylosis, pseudankylosis. ... Intracapsular ankylosis, stiffness of a joint due to the presence of bony or fibrous adhesions between the articular surfaces of the joint. ... (05 Mar 2000) ...

pseudaphia
Synonym: paraphia. ... Origin: G. Haphe, a touch ... (05 Mar 2000) ...

pseudarthrosis
A pathologic entity characterised by deossification of a weight-bearing long bone, followed by bending and pathologic fracture, with inability to form normal callus leading to existence of the 'false joint' that gives the condition its name. ... (12 Dec 1998) ...

pseudelminth
Anything having the appearance of an intestinal worm. ... Origin: pseud-+ G. Helmins, worm ... (05 Mar 2000) ...

pseudesthesia
Synonym: paraphia. ... 2. A subjective sensation not arising from an external stimulus. ... Synonym: pseudoesthesia. ... Synonym: phantom limb. ... Origin: pseud-+ G. Aisthesis, sensation ... (05 Mar 2000) ...

pseudinoma
An obsolete term for an indurated swelling that grossly resembles a fibroma. ... Origin: pseud-+ G. Is (in), fibre, + -oma, tumour ... (05 Mar 2000) ...

pseudo psychosis
A condition resembling psychosis; may be a factitious or malingering disorder. ... (05 Mar 2000) ...

pseudo-
False (often used about a deceptive resemblance). ... Origin: G. Pseudes ... (05 Mar 2000) ...

pseudo-achalasia
<radiology> Carcinoma of distal oesophagus / GE junction, M more than F, onset 40-60 years of age, beak above hiatus, gastric cardiac mass, recommend biopsy! Differential diagnosis: achalasia (females, younger) ... (12 Dec 1998) ...

pseudo-ainhum
Nonspontaneous amputation of a digit, caused by a variety of disorders such as neural leprosy, syringomyelia, and palmoplantar keratoderma. ... (05 Mar 2000) ...

pseudo-alopecia areata
Alopecia in which mild inflammatory changes develop at the orifices of the affected hair follicles. ... (05 Mar 2000) ...

pseudo-Gaucher cell
A plasma cell, microscopically resembling a Gaucher cell, found in the bone marrow in some cases of multiple myeloma. ... (05 Mar 2000) ...

pseudo-Graefe sign
<clinical sign> A lid retraction phenomenon similar to Graefe's sign, but due to aberrant regeneration of fibres of the oculomotor nerve into the levator of the upper lid. ... (05 Mar 2000) ...

pseudo-Graefe's phenomenon
Retraction of the upper eyelid on downward movement of the eyes. ... (05 Mar 2000) ...

pseudo-hemianopia
A condition in which individual stimuli are seen correctly, but when the nasal visual field of one eye and the temporal visual field of the fellow eye are stimulated simultaneously, one field is blind. ... Synonym: visual extinction. ... (05 Mar 2000) ...

pseudo-Hurler disease
infantile, generalised GM1 gangliosidosis ...

pseudo-Hurler polydystrophy
Synonym for mucolipidosis III ... <biochemistry> Mucolipidosis with mild Hurler-like symptoms, restricted joint mobility, short stature, mild mental retardation, and dysplastic skeletal changes, especially of the hip. Aortic and mitral valve disease are often present. ... It is associated with a deficiency of UDP-N-acetyl glucosamine and lysoso …

pseudo-osteomalacia
Rachitic softening of bone. ... (05 Mar 2000) ...

pseudo-osteomalacic
Marked by pseudo-osteomalacia. ... (05 Mar 2000) ...

pseudo-osteomalacic pelvis
An extreme degree of rachitic pelvis, resembling the puerperal osteomalacic pelvis, in which the pelvic canal is obstructed by a forward projection of the sacrum, and an approximation of the acetabula. ... (05 Mar 2000) ...

pseudoacanthosis nigricans
Acanthosis nigricans secondary to maceration of the skin from excessive sweating, or occurring in obese and dark-complexioned adults, or in association with endocrine disorders; not associated with visceral cancer. ... (05 Mar 2000) ...

pseudoacephalus
An apparently headless placental parasitic twin which, however, has rudimentary cephalic structures that can be demonstrated by dissection. ... Origin: pseudo-+ G. A-priv. + kephale, head ... (05 Mar 2000) ...

pseudoachondroplasia
Dwarfism with short limbs and a relatively long trunk as in achondroplasia, but not evident at birth; autosomal dominant and recessive forms occur. ... (05 Mar 2000) ...

pseudoactinomycosis
Synonym for para-actinomycosis ... Chronic infection, usually pulmonary, resembling actinomycosis; ordinarily caused by nocardiosis. ... Synonym: pseudoactinomycosis. ... (05 Mar 2000) ...

pseudoaddiction
<psychiatry> Pattern of drug-seeking behaviour of pain patients receiving inadequate pain management that can be mistaken for addiction. ... (16 Dec 1997) ...

pseudoagglutination
1. Agglomeration of particles in solution which does not involve antigen-antibody combination. ... Synonym: false agglutination. ... Synonym: rouleaux formation. ... (05 Mar 2000) ...

pseudoagrammatism
Synonym: paraphasia. ... Origin: pseudo-+ G. A-priv. + gramma, writing, + -ismos, condition ... (05 Mar 2000) ...

pseudoagraphia
Synonym for pseudagraphia ... Partial agraphia in which one can do no original writing, but can copy correctly. ... Synonym: pseudoagraphia. ... Origin: pseud-+ G. A-priv. + grapho, to write ... (05 Mar 2000) ...

pseudoalbuminuria
Synonym for pseudalbuminuria ... Albuminuria which is not associated with renal disease. ... Synonym: pseudoalbuminuria. ... (05 Mar 2000) ...

pseudoalkaloids
A group of compounds that are structurally similar to alkaloids. ... (05 Mar 2000) ...

pseudoallelic
Relating to pseudoallelism. ... (05 Mar 2000) ...

pseudoallelism
Relationship of two or more loci that are difficult to distinguish from a single locus by classical genetic analysis. For instance, the states of the D, D, and E components of the Rh blood locus is so far unresolved. ... (05 Mar 2000) ...

pseudoanaemia
Pallor of the skin and mucous membranes without the blood changes of anaemia. ... Synonym: false anaemia. ... (05 Mar 2000) ...

pseudoanaphylactic
Synonym for anaphylactoid ... <immunology> Resembling anaphylaxis, an immediate, transient allergic reaction. ... (09 Oct 1997) ...

pseudoanaphylactic shock
Synonym for anaphylactoid shock ... A reaction that is similar to anaphylactic shock, but which does not require the incubation period characteristic of induced sensitivity (anaphylaxis); it is unrelated to antigen-antibody reactions. ... Synonym: anaphylactoid crisis, pseudoanaphylactic shock. ... (05 Mar 2000) ...

pseudoanaphylaxis
A condition resembling anaphylaxis, but not due to specific antigen-antibody reaction. ... Synonym: anaphylactoid crisis. ... (05 Mar 2000) ...

pseudoaneurysm
1. A cavity due to ruptured myocardial infarction that has been contained by an intact parietal pericardium and communicates with the left ventricle by a narrow neck, 2. A dilation of an artery with actual disruption of one or more layers of its walls, as at the site of puncture as a complication of precutaneous arterial catheterization, rather tha …

pseudoangina
Synonym for angina pectoris vasomotoria ... Angina pectoris in which the breast pain is comparatively slight, but pallor followed by cyanosis, and coldness and numbness of the extremities, are marked. ... Synonym: angina spuria, angina vasomotoria, pseudangina, pseudoangina, reflex angina, vasomotor angina. ... (05 Mar 2000) ...

pseudoangiosarcoma
<tumour> A benign vascular lesion that microscopically may be mistaken for an angiosarcoma. ... (05 Mar 2000) ...

pseudoanodontia
Clinical absence of teeth due to a failure in eruption. ... Origin: pseudo-+ G. An-priv. + odous, tooth ... (05 Mar 2000) ...

pseudoapoplexy
A condition simulating apoplexy, not due to a cerebral vascular event. ... Synonym: pseudoplegia. ... (05 Mar 2000) ...

pseudoappendicitis
A symptom-complex simulating appendicitis without inflammation of the appendix. ... (05 Mar 2000) ...

pseudoapraxia
A condition of exaggerated awkwardness in which the person makes wrong use of objects. ... (05 Mar 2000) ...

pseudoarthrosis
Synonym for pseudarthrosis ... A pathologic entity characterised by deossification of a weight-bearing long bone, followed by bending and pathologic fracture, with inability to form normal callus leading to existence of the 'false joint' that gives the condition its name. ... (12 Dec 1998) ...

pseudoataxia
Synonym for pseudotabes ... A syndrome having the characteristics of tabetic neurosyphilis but not due to syphilis. ... Synonym: Leyden's ataxia, peripheral tabes, pseudoataxia. ... (05 Mar 2000) ...

pseudoauthenticity
False or copied expression of thoughts and feelings. ... Origin: pseudo-+ G. Authentikos, original ... (05 Mar 2000) ...

pseudobacillus
Any microscopic object, such as a poikilocyte, resembling a bacillus. ... (05 Mar 2000) ...

pseudobacteria
<biology> Microscopic organic particles, molecular granules, powdered inorganic substances, etc, which in form, size, and grouping resemble bacteria. ... The globules which divide and develop in form of chains are organised beings; when this does not occur, we are dealing with pseudobacteria. ... Origin: Pseudo- + bacteria. ... Source: Websters …

pseudobacterium
Any microscopic object resembling a small bacillary organism or other bacterial form. ... (05 Mar 2000) ...

pseudobulbar
Denoting a supranuclear paralysis of the bulbar nerves. ... (05 Mar 2000) ...

pseudobulbar paralysis
Paralysis of the lips and tongue, simulating progressive bulbar paralysis, but due to supranuclear lesions with bilateral involvement of the upper motor neurons; characterised by speech and swallowing difficulties, emotional instability, and spasmodic, mirthless laughter. ... (05 Mar 2000) ...

pseudocartilage
Synonym for chondroid tissue ... In an adult, tissue resembling cartilage. ... In an embryo, an early stage in cartilage formation. ... Synonym: fibrohyaline tissue, pseudocartilage. ... (05 Mar 2000) ...

pseudocartilaginous
Composed of a substance resembling cartilage in texture. ... (05 Mar 2000) ...

pseudocast
Synonym for false cast ... <nephrology> An elongated, ribbon-like mucous thread with poorly defined edges and pointed or split ends, often confused with a true urinary cast. ... Synonym: cylindroid, mucous cast, pseudocast, spurious cast. ... (05 Mar 2000) ...

pseudocatalase
<enzyme> Microbial enzyme; does not contain haem; contains manganese; does not have superoxide dismutase activity ... Registry number: EC 1.11.1.- ... (26 Jun 1999) ...

pseudocele
Synonym: cavity of septum pellucidum. ... Origin: pseudo-+ G. Koilia, cavity ... (05 Mar 2000) ...

pseudocelom
A partial or false celom, typical of Nematoda (roundworms) and related phyla, in which the body cavity is lined by mesoderm along only one surface (hypodermis, under the cuticular body wall). ... Compare: celom, acelom. ... Origin: pseudo-+ G. Koiloma, hollow ... (05 Mar 2000) ...

pseudocephalocele
Acquired herniation of intracranial tissues caused by injury or disease. ... Origin: pseudo-+ G. Kephale, head, + kele, tumour ... (05 Mar 2000) ...