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

paracholera
A disease clinically resembling Asiatic cholera but due to a vibrio specifically different from Vibrio cholerae. ... (05 Mar 2000) ...

parachordal cartilage
Cartilage primordia adjacent on either side to the cephalic portion of the notochord in young embryos; they represent an initial step in the formation of the chondrocranium. ... (05 Mar 2000) ...

parachordal plate
The cartilage primordia of the base of the skull situated on either side of the cephalic part of the notochord. ... (05 Mar 2000) ...

parachroma
Abnormal colouration of the skin. ... Synonym: parachromatosis. ... Origin: para-+ G. Chroma, colour ... (05 Mar 2000) ...

parachromatosis
Synonym for parachroma ... Abnormal colouration of the skin. ... Synonym: parachromatosis. ... Origin: para-+ G. Chroma, colour ... (05 Mar 2000) ...

parachute
1. A contrivance somewhat in the form of an umbrella, by means of which a descent may be made from a balloon, or any eminence. ... 2. <zoology> A web or fold of skin which extends between the legs of certain mammals, as the flying squirrels, colugo, and phalangister. Parachutist; parachuting. Parachute = verb ... Origin: F, fr. Paper to ward of …

parachute deformity
Synonym for parachute mitral valve ... Congenital deformity of the mitral valve characterised by the presence of a single papillary muscle from which the chordae of both valve leaflets divide; thus the resemblance to a parachute; the condition often produces a stenosis as the combined result of the tugging action of the chordae on and the subsequent …

parachute mitral valve
Congenital deformity of the mitral valve characterised by the presence of a single papillary muscle from which the chordae of both valve leaflets divide; thus the resemblance to a parachute; the condition often produces a stenosis as the combined result of the tugging action of the chordae on and the subsequent narrowing between the leaflets. ... Sy …

parachute reflex
Synonym for startle reflex ... The reflex response of an infant (contraction of the limb and neck muscles) when allowed to drop a short distance through the air or startled by a sudden noise or jolt. ... Synonym: Moro reflex, parachute reflex, startle reaction. ... Synonym: cochleopalpebral reflex. ... (05 Mar 2000) ...

parachymosin
<enzyme> An enzyme resembling chymosin. ... (05 Mar 2000) ...

paracinesia
Synonym for parakinesia ... Parakinesis ... Any motor abnormality. ... Synonym: paracinesia, paracinesis. ... Origin: para-+ G. Kinesis, movement ... (05 Mar 2000) ...

paracmasis
Synonym for paracme ... 1. The stage of subsidence of a fever. ... 2. The period of life beyond the prime; the decline or stage of involution of an organism. ... Synonym: paracmasis. ... Origin: G. The point at which the prime is past; fr. Para, beyond, + akme, highest point, prime ... (05 Mar 2000) ...

paracme
1. The stage of subsidence of a fever. ... 2. The period of life beyond the prime; the decline or stage of involution of an organism. ... Synonym: paracmasis. ... Origin: G. The point at which the prime is past; fr. Para, beyond, + akme, highest point, prime ... (05 Mar 2000) ...

paracoccidioidal granuloma
Synonym for paracoccidioidomycosis ... A mycosis affecting the skin, mucous membranes, lymph nodes, and internal organs. It is caused by paracoccidioides brasiliensis. It is also called paracoccidioidal granuloma. ... (12 Dec 1998) ...

paracoccidioides
A deuteromycetous fungal genus. P. Brasiliensis is the aetiologic agent of paracoccidioidomycosis. ... (12 Dec 1998) ...

Paracoccidioides brasiliensis
A dimorphic fungus that causes paracoccidioidomycosis. In tissues and on enriched culture medium at 37°C, it grows as large spherical or oval cells which bear single or several buds, and usually is identified by this characteristic; at lower temperatures, it grows slowly as a white mold with minimal sporulation and is noncharacteristic. ... (05 Mar …

paracoccidioidin
A filtrate antigen prepared from the filamentous form of the pathogenic fungus, Paracoccidioides brasiliensis; used for demonstrating delayed type dermal hypersensitivity in populations and useful in demonstrating endemic areas in different geographic regions. ... (05 Mar 2000) ...

paracoccidioidomycosis
A mycosis affecting the skin, mucous membranes, lymph nodes, and internal organs. It is caused by paracoccidioides brasiliensis. It is also called paracoccidioidal granuloma. ... (12 Dec 1998) ...

paracoccus
Gram-negative non-motile bacteria found in soil or brines. ... (12 Dec 1998) ...

paracoccus denitrificans
A species of bacteria isolated from soil. ... (12 Dec 1998) ...

paracolic gutters
The grooves between the lateral aspect of the ascending or descending colon and the abdominal wall. ... Synonym: sulci paracolici, paracolic recesses. ... (05 Mar 2000) ...

paracolic recesses
Synonym for paracolic gutters ... The grooves between the lateral aspect of the ascending or descending colon and the abdominal wall. ... Synonym: sulci paracolici, paracolic recesses. ... (05 Mar 2000) ...

paracolitis
Inflammation of the peritoneal coat of the colon. ... (05 Mar 2000) ...

paracolon bacillus
Any one of a number of diverse enteric bacteria which fail to ferment lactose promptly. ... (05 Mar 2000) ...

paracolpitis
Synonym: paravaginitis. ... Origin: para-+ G. Kolpos, vagina, + -itis, inflammation ... (05 Mar 2000) ...

paracolpium
The tissues alongside the vagina. ... Origin: para-+ G. Kolpos, vagina ... (05 Mar 2000) ...

paracone
The mesiobuccal cusp of an upper molar tooth. ... Origin: para-+ G. Konos, cone ... (05 Mar 2000) ...

paraconid
The mesiobuccal cusp of a lower molar tooth. ... (05 Mar 2000) ...

paracortex
<anatomy> Mid cortical region of lymph node, area that is particularly depleted of T lymphocytes in thymectomised animals and is referred to as the thymus dependent area. ... (18 Nov 1997) ...

paracousis
Synonym for paracusis ... 1. Impaired hearing. ... 2. Auditory illusions or hallucinations. ... Synonym: paracousis. ... Origin: para-+ G. Akousis, hearing ... (05 Mar 2000) ...

paracrine
<endocrinology> Form of signalling in which the target cell is close to the signal releasing cell. Neurotransmitters and neurohormones are usually considered to fall into this category. ... (18 Nov 1997) ...

paracrine communication
Cellular signaling in which a factor secreted by a cell affects other cells in the local environment. This term is often used to denote the action of hormones on surrounding cells. ... (12 Dec 1998) ...

paracusis
1. Impaired hearing. ... 2. Auditory illusions or hallucinations. ... Synonym: paracousis. ... Origin: para-+ G. Akousis, hearing ... (05 Mar 2000) ...

paracusis loci
Loss or diminution of the power of determining the direction of sound. ... (05 Mar 2000) ...

paracyesis
Synonym: ectopic pregnancy. ... Origin: para-+ G. Kyesis, pregnancy ... (05 Mar 2000) ...

paracystic
Alongside or near a bladder, specifically the urinary bladder. ... Synonym: paravesical. ... Origin: para-+ G. Kystis, bladder ... (05 Mar 2000) ...

paracystic pouch
Synonym for paravesical fossa ... A peritoneal depression formed by the reflection of the peritoneum from the lateral pelvic wall onto the roof of the bladder; in the female, it is the lateral portion of the uterovesical pouch, separated from the pararectal pouch by the broad ligament. ... Synonym: fossa paravesicalis, paracystic pouch, paravesical p …

paracystitis
Inflammation of the connective tissue and other structures about the urinary bladder. ... Origin: para-+ G. Kystis, bladder, + -itis, inflammation ... (05 Mar 2000) ...

paracystium
The tissues adjacent to the urinary bladder. ... Origin: para-+ G. Kystis, bladder ... (05 Mar 2000) ...

paracytic
1. Relating to cells other than those normal to the part where they are found. ... 2. Between or among, but independent of, cells. ... Origin: para-+ G. Kytos, cell ... (05 Mar 2000) ...

parade
1. The ground where a military display is held, or where troops are drilled. ... 2. An assembly and orderly arrangement or display of troops, in full equipments, for inspection or evolutions before some superior officer; a review of troops. Parades are general, regimental, or private (troop, battery, or company), according to the force assembled. …

paradenitis
Inflammation of the tissues adjacent to a gland. ... Origin: para-+ G. Aden, gland, + -itis, inflammation ... (05 Mar 2000) ...

paradental
Synonym for periodontal ... <dentistry> Pertaining to your gums. For example periodontal disease is gum disease. ... (08 Jan 1998) ...

paradentium
Synonym for periodontal ligament ... <anatomy> Fibrous connective tissue surrounding the root of a tooth that separates it from and attaches it to the alveolar bone. ... (12 Dec 1998) ...

paradidymal
1. Relating to the paradidymis. ... 2. Alongside the testis. ... (05 Mar 2000) ...

paradidymis
A small body sometimes attached to the front of the lower part of the spermatic cord above the head of the epididymis; the remnants of tubules of the mesonephros. Its equivalent in the female is the paroophoron. ... Synonym: parepididymis. ... Origin: para-+ G. Didymos, twin, in pl. Didymoi, testes ... (05 Mar 2000) ...

paradipsia
A perverted appetite for fluids, ingested without relation to bodily need. ... Origin: para-+ G. Dipsa, thirst ... (05 Mar 2000) ...

paradise
To affect or exalt with visions of felicity; to entrance; to bewitch. ... 1. The garden of Eden, in which Adam and Eve were placed after their creation. ... 2. The abode of sanctified souls after death. 'To-day shalt thou be with me in paradise.' (Luke xxiii. 43) 'It sounds to him like her mother's voice, Singing in Paradise.' (Longfellow) ... 3. A pl …

paradox
That which is apparently, though not actually, inconsistent with or opposed to the known facts in any case. ... Origin: G. Paradoxos, incredible, beyond belief, fr. Doxa, belief ... Weber's paradox, if a muscle is loaded beyond its power to contract it may elongate. ... (05 Mar 2000) ...

paradoxical
Occurring at variance with the normal rule. ... (18 Nov 1997) ...

paradoxical contraction
A tonic contraction of the anterior tibial muscles when a sudden passive dorsal flexion of the foot is made. ... (05 Mar 2000) ...

paradoxical diaphragm phenomenon
In pyopneumothorax, hydropneumothorax, and some cases of injury, the diaphragm on the affected side rises during inspiration and falls during expiration. ... (05 Mar 2000) ...

paradoxical embolism
Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolise) , they travel first to the right side of the heart and, normally, then to the lungs where they lodge. The lungs act as a filter to prevent the clots from entering the arterial circulation. However, when there is a hole in the wall between the two upper c …

paradoxical extensor reflex
Synonym for Babinski's sign ... <clinical sign> Extension of the great toe and abduction of the other toes instead of the normal flexion reflex to plantar stimulation, considered indicative of pyramidal tract involvement ('positive' Babinski). ... Synonym: Babinski reflex, Babinski's phenomenon, great-toe reflex, paradoxical extensor reflex, to …

paradoxical flexor reflex
Synonym for Gordon reflex ... Dorsal flexion of the great toe produced by firm lateral pressure on the calf muscles. ... Synonym: paradoxical flexor reflex. ... (05 Mar 2000) ...

paradoxical incontinence
Synonym for overflow incontinence ... Involuntary loss of urine associated with overdistention of the bladder, with or without a detrusor contraction. ... Synonym: paradoxical incontinence. ... (05 Mar 2000) ...

paradoxical movement of eyelids
Spontaneous, involuntary elevation or lowering of the eyelids, associated with movement of extraocular muscles or muscles of mastication (external pterygoids). ... See: jaw winking. ... (05 Mar 2000) ...

paradoxical patellar reflex
A tap on the patellar tendon causes contraction of the adductor, sudden passive extension of the leg causes a contraction of the extensor muscles of the leg. ... (05 Mar 2000) ...

paradoxical pulse
An exaggeration of the normal variation in the pulse volume with respiration, becoming weaker with inspiration and stronger with expiration; characteristic of cardiac tamponade, rare in constrictive pericarditis; so called because these changes are independent of changes in the cardiac rate as measured directly or by electrocardiogram. ... Synonym: …

paradoxical pupil
See: paradoxical pupillary reflex. ... Pinhole pupil, an extremely constricted pupil. ... (05 Mar 2000) ...

paradoxical pupillary phenomenon
Synonym for paradoxical pupillary reflex ... A pupillary response to light, the reverse of that expected; e.g., contraction of the pupil in response to turning the lights off. ... Synonym: Flynn phenomenon, paradoxical pupillary phenomenon. ... (05 Mar 2000) ...

paradoxical pupillary reflex
A pupillary response to light, the reverse of that expected; e.g., contraction of the pupil in response to turning the lights off. ... Synonym: Flynn phenomenon, paradoxical pupillary phenomenon. ... (05 Mar 2000) ...

paradoxical reflex
Any reflex in which the usual response is reversed or does not conform to the pattern characteristic of the particular reflex. ... Synonym: inverted reflex. ... (05 Mar 2000) ...

paradoxical respiration
Deflation of the lung during inspiration and inflation of the lung during the phase of expiration; seen in the lung on the side of an open pneumothorax. ... (05 Mar 2000) ...

paradoxical sleep
A deep sleep, with a brain wave pattern more like that of waking states than of other states of sleep, which occurs during rapid eye movement sleep. ... (05 Mar 2000) ...

paradoxical triceps reflex
Synonym for olecranon reflex ... Flexion of the forearm caused by tapping the olecranon. ... Synonym: paradoxical triceps reflex. ... (05 Mar 2000) ...

paradoxure
<zoology> Any species of Paradoxurus, a genus of Asiatic viverrine mammals allied to the civet, as the musang, and the luwack or palm cat (Paradoxurus hermaphroditus). See Musang. ... Origin: Gr. Incredible, paradoxical + tail. So called because its tail is unlike that of the other animals to which it was supposed to be related. ... Source: Web …

paraduodenal fold
A sickle-shaped fold of peritoneum sometimes found arching between the left side of the duodenojejunal flexure and the medial border of the left kidney; its right free edge contains the ascending branch of the left colic artery and inferior mesenteric vein; forms anterior boundary of the paraduodenal recess. ... See: paraduodenal recess. ... Synonym: …

paraduodenal fossa
Synonym for paraduodenal recess ... An occasional recess in the peritoneum to the left of the terminal portion of the duodenum located behind a fold containing the inferior mesenteric vein. ... Synonym: recessus paraduodenalis, fossa venosa, paraduodenal fossa. ... (05 Mar 2000) ...

paraduodenal hernia
A type of internal hernia, resulting from abnormal or incomplete midgut rotation, which involves one of several paraduodenal spaces. ... (05 Mar 2000) ...

paraduodenal recess
An occasional recess in the peritoneum to the left of the terminal portion of the duodenum located behind a fold containing the inferior mesenteric vein. ... Synonym: recessus paraduodenalis, fossa venosa, paraduodenal fossa. ... (05 Mar 2000) ...

paradysentery bacillus
Synonym for shigella flexneri ... A bacterium which is one of the aetiologic agents of bacillary dysentery (dysentery, bacillary) and sometimes of infantile gastroenteritis. ... (12 Dec 1998) ...

paraesophageal hernia
A non-sliding hernia through or adjacent to the oesophageal hiatus of the diaphragm; most commonly contains stomach and other abdominal viscera. ... (05 Mar 2000) ...

paraesophageal hiatal hernia
<radiology> Rolling hiatal hernia, parahiatal hernia, 1% of hiatal hernias, portion of stomach superiorly displaced into the thorax with the oesophagogastric junction remaining in the subdiaphragmatic position Findings: cardia in normal position, herniation of portion of the stomach anterior to oesophagus, frequently nonreducible, may be asso …

paraesthesia
<neurology> Morbid or perverted sensation, an abnormal sensation, as burning, prickling, formication, etc. ... Origin: Gr. Aisthesis = perception ... (18 Nov 1997) ...

paraffin
<chemical> A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology. ... Pharmacological action: anti-inflammatory agent, topical, pharmaceutic aid, scleros …

paraffin cancer
Carcinoma of the skin occurring as an occupational disease in paraffin workers. ... (05 Mar 2000) ...

paraffin embedding
The infiltrating of tissue specimens with paraffin, as a supporting substance, to prepare for sectioning with a microtome. ... (12 Dec 1998) ...

paraffin tumour
Synonym for paraffinoma ... A tumefaction, usually a granuloma, caused by the prosthetic or therapeutic injection of paraffin into the tissues; sometimes used with reference to similar lesions resulting from the injection of any oil, wax, or the like. ... See: lipogranuloma. ... Synonym: paraffin tumour. ... (05 Mar 2000) ...

paraffin wax
A wax derived from petroleum. ... Synonym: mineral wax. ... (05 Mar 2000) ...

paraffine
<chemistry> A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc, by distillation. It is used as an illuminant and lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but is now known t …

paraffinoma
A tumefaction, usually a granuloma, caused by the prosthetic or therapeutic injection of paraffin into the tissues; sometimes used with reference to similar lesions resulting from the injection of any oil, wax, or the like. ... See: lipogranuloma. ... Synonym: paraffin tumour. ... (05 Mar 2000) ...

Parafilaria multipapillosa
A common filarial parasite that causes dermatorrhagia parasitica. ... (05 Mar 2000) ...

paraflagella
Plural of paraflagellum. ... (05 Mar 2000) ...

paraflagellate
1. Having one or more paraflagella. ... Synonym: paramastigote. ... (05 Mar 2000) ...

paraflagellum
A minute accessory flagellum sometimes present in addition to the ordinary flagellum of certain protozoans. ... (05 Mar 2000) ...

parafollicular
Associated spatially with a follicle. ... (05 Mar 2000) ...

parafollicular cells
Cell's present between follicles or interspersed among follicular cell's; they are rich in mitochondria and are believed to be the source of thyrocalcitonin. ... Synonym: C cell, light cells of thyroid. ... (05 Mar 2000) ...

paraformaldehyde
A polymer of formaldehyde, used as a disinfectant. ... Synonym: trioxymethylene. ... (05 Mar 2000) ...

parafrenal abscess
An abscess that occurs on either side of the frenum of the penis. ... (05 Mar 2000) ...

parafuchsin
Synonym for pararosanilin ... A tri(aminophenyl)methane hydrochloride;an important red biologic stain used in Schiff's reagent to detect cellular DNA (Feulgen stain), mucopolysaccharides (PAS stain), and proteins (ninhydrin-Schiff stain). ... Synonym: parafuchsin. ... (05 Mar 2000) ...

paragammacism
Substitution of another letter sound for the g sound. ... See: gammacism. ... Origin: para-+ G. Gamma, the letter g ... (05 Mar 2000) ...

paraganglia
Plural of paraganglion. ... (05 Mar 2000) ...

paraganglia, chromaffin
Small bodies containing chromaffin cells occurring outside of the adrenal medulla, most commonly near the sympathetic ganglia and in organs such as the kidney, liver, heart and gonads. ... (12 Dec 1998) ...

paraganglia, nonchromaffin
Several clusters of chemoreceptive and supporting cells associated with blood vessels and nerves (especially the glossopharyngeal and vagus). The nonchromaffin paraganglia sense pH, carbon dioxide, and oxygen concentrations in the blood and participate in respiratory, and perhaps circulatory, control. They include the carotid and aortic bodies, the …

paraganglioma
<radiology> (glomus tumour) chemodectoma, arise from extra-adrenal portions of paraganglion system, females more than males, 5% most likely to be multiple, associated with branchial arch mesodermal derivatives, sites: carotid bifurcation (glomus jugulare), middle ear (glomus tympanicum), along vagus nerve (glomus vagale), also: larynx, orbit, …

paraganglioma, extra-adrenal
A relatively rare, usually benign neoplasm originating in the chemoreceptor tissue of the carotid body, glomus jugulare, and aortic bodies. It consists histologically of rounded or ovoid hyperchromatic cells that tend to be grouped in an alveolus-like pattern within a scant to moderate amount of fibrous stroma and a few large thin-walled vascular c …

paraganglion
A small, roundish body containing chromaffin cells; a number of such bodies may be found retroperitoneally near the aorta and in organs such as the kidney, liver, heart, and gonads. ... Synonym: chromaffin body. ... (05 Mar 2000) ...

paraganglionic cells
Cell's of the embryonic sympathetic nervous system that become chromaffin cell's. ... (05 Mar 2000) ...

paragene
Synonym for plasmid ... <molecular biology> A small, independently replicating, piece of extrachromosomal cytoplasmic DNA that can be transferred from one organism to another. Linear or circular DNA molecules found in both pro and eukaryotes capable of autonomous replication. ... Stringent plasmids occur at low copy number in cells, relaxed pla …