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


peat moss
Synonym for sphagnum moss ... A highly absorbent moss used as a substitute for absorbent cotton or gauze in surgical dressing and sanitary napkins. ... Synonym: muskeag moss, peat moss. ... (05 Mar 2000) ...

peau d'orange
A swollen pitted skin surface overlying carcinoma of the breast in which there is both stromal infiltration and lymphatic obstruction with oedema. ... Origin: Fr. Orange peel ... (05 Mar 2000) ...

pebble
1. A small roundish stone or bowlder; especially, a stone worn and rounded by the action of water; a pebblestone. 'The pebbles on the hungry beach.' 'As children gathering pebbles on the shore.' (Milton) ... 2. Transparent and colourless rock crystal; as, Brazilian pebble; so called by opticians. Pebble powder, slow-burning gunpowder, in large cubic …

pecan
<botany> A species of hickory (Carya olivaeformis), growing in North America, chiefly in the Mississippi valley and in Texas, where it is one of the largest of forest trees; also, its fruit, a smooth, oblong nut, an inch or an inch and a half long, with a thin shell and well-flavored meat. ... Alternative forms: pacane. ... Origin: Cf. F. Pacan …

peccant
Unhealthy; producing disease. ... Origin: L. Peccans (-ant-), pres. P. Of pecco, to sin ... (05 Mar 2000) ...

peccant humors
Based on the historic humoral theory of disease, such humor's or deranged fluids in the body were regarded as the direct causes of various illnesses. ... (05 Mar 2000) ...

peccary
Origin: From the native South American name: cf. F. Pecari, Sp. Pecar. ... <zoology> A pachyderm of the genus Dicotyles. ... The collared peccary, or tajacu (Dicotyles torquatus), is about the size and shape of a small hog, and has a white ring aroung the neck. It ranges from Arkansas to Brazil. A larger species (D. Labiatus), with white cheeks …

peccatiphobia
<psychology> Morbid fear of sinning. ... Origin: L. Peccatum,, sin, + G. Phobos, fear ... (05 Mar 2000) ...

pecilocin
1-(8-Hydroxy-6-methyl-1-oxo-2,4,6-dodecatrienyl)-2-pyrrolidinone;an antifungal agent. ... (05 Mar 2000) ...

peck
1. To strike with the beak; to thrust the beak into; as, a bird pecks a tree. ... 2. Hence: To strike, pick, thrust against, or dig into, with a pointed instrument; especially, to strike, pick, etc, with repeated quick movements. ... 3. To seize and pick up with the beak, or as with the beak; to bite; to eat; often with up. 'This fellow pecks up wit …

Pecquet, Jean
<person> French anatomist, 1622-1674. ... See: Pecquet's cistern, Pecquet's duct, receptaculum pecqueti, Pecquet's reservoir. ... (05 Mar 2000) ...

Pecquet's cistern
Synonym for cisterna chyli ... A dilated sac at the lower end of the thoracic duct into which the intestinal trunk and two lumbar lymphatic trunks open; it occurs inconstantly and when present is located posterior to the aorta on the anterior aspect of the bodies of the first and second lumbar vertebrae. ... Synonym: ampulla chyli, chyle cistern, chy …

Pecquet's duct
Synonym for thoracic duct ... <anatomy> The major efferent lymph duct into which lymph from most of the peripheral lymph nodes drains. ... Recirculating lymphocytes that have left the circulation in the lymph node return to the blood through the thoracic duct. ... (18 Nov 1997) ...

Pecquet's reservoir
Synonym for cisterna chyli ... A dilated sac at the lower end of the thoracic duct into which the intestinal trunk and two lumbar lymphatic trunks open; it occurs inconstantly and when present is located posterior to the aorta on the anterior aspect of the bodies of the first and second lumbar vertebrae. ... Synonym: ampulla chyli, chyle cistern, chy …

pectase
<enzyme> An enzyme that converts pectin to d-galacturonic acid (pectic acid); used in the treatment of certain foodstuffs. ... Synonym: pectinesterase. ... (05 Mar 2000) ...

Pecten
<marine biology> A bivalve mollusc. The adductor muscle, a catch muscle, has been a favourite with muscle physiologists and biochemists as well as with gourmets. ... (18 Nov 1997) ...

pecten analis
anal pecten ...

pecten band
A fibrous induration of the anal pecten resulting from passive congestion or a chronic form of inflammation in this region. ... (05 Mar 2000) ...

pecten ossis pubis
Synonym for pecten pubis ... The continuation on the superior ramus pubis of the linea terminalis, forming a sharp ridge. ... Synonym: pecten ossis pubis, pectineal line of pubis. ... (05 Mar 2000) ...

pecten pubis
The continuation on the superior ramus pubis of the linea terminalis, forming a sharp ridge. ... Synonym: pecten ossis pubis, pectineal line of pubis. ... (05 Mar 2000) ...

pectenitis
Inflammation of the sphincter ani. ... Origin: L. Pecten, a comb, + G. -itis, inflammation ... (05 Mar 2000) ...

pectenosis
Exaggerated enlargement of the pecten band. ... (05 Mar 2000) ...

pectic acid
Synonym for d-galacturonic acid ... The d-isomer is an oxidation product of d-galactose, in which the 6-CH2OH group has become a -COOH group; occurs in many natural products (e.g., pectins). ... Synonym: pectic acid. ... (05 Mar 2000) ...

pectin
<protein> Class of plant cell wall polysaccharide, soluble in hot aqueous solutions of chelating agents or in hot dilute acid. Includes polysaccharides rich in galacturonic acid, rhamnose, arabinose and galactose, for example the polygalacturonans, rhamnogalacturonans and some arabinans, galactans and arabinogalactans. Prominent in the middle …

pectin lyase
<enzyme> Catalyses elimination of 6-methyl-delta-4,5-galacturonate residues from pectin; brings about depolymerization of pectin; does not act on deesterified pectin ... Registry number: EC 4.2.2.10 ... Synonym: poly(methoxygalacturonide)lyase, protopectinase-r, ppase-r, pnla protein, pnla gene product, psx1 gene product, polymethoxygalacturona …

pectin sugar
D-arabinose. ... See: arabinose. ... (05 Mar 2000) ...

pectinacetylesterase
<enzyme> Vrpae1 isolated from vigna radiata; paey, also known as pecy, isolated from erwinia chrysanthemi. ... Registry number: EC 3.1.1.- ... Synonym: pectin acetylesterase, vrpae1 protein, pecy gene product, paey gene product, pectin acetyl esterase ... (26 Jun 1999) ...

pectinase
Synonym for polygalacturonase ... <enzyme> Enzyme that degrades polygalacturonan by hydrolysis of the glycosidic bonds that link galacturonic acid residues. Important in fruit ripening and in fungal and bacterial attack on plants. ... (18 Nov 1997) ...

pectinate
Comb-like. ... (09 Oct 1997) ...

pectinate fibres
Synonym for pectinate muscles ... Prominent ridges of atrial myocardium located on the inner surface of much of the right atrium and both auricles. ... Synonym: musculi pectinati, pectinate fibres. ... (05 Mar 2000) ...

pectinate ligaments of iris
See: trabecular reticulum. ... (05 Mar 2000) ...

pectinate line
The line between the simple columnar epithelium of the rectum and the stratified epithelium of the anal canal. ... Synonym: linea anocutanea, anocutaneous line, dentate line. ... (05 Mar 2000) ...

pectinate muscles
Prominent ridges of atrial myocardium located on the inner surface of much of the right atrium and both auricles. ... Synonym: musculi pectinati, pectinate fibres. ... (05 Mar 2000) ...

pectinate zone
The outer two-thirds of the basilar membrane of the cochlear duct. ... Synonym: zona pectinata. ... (05 Mar 2000) ...

pectinated
1. Resembling the teeth of a comb. ... 2. Having very narrow, close divisions, in arrangement and regularity resembling those of a comb; comblike; as, a pectinate leaf; pectinated muscles. ... 3. Interlaced, like two combs. 'Our fingers pectinated, or shut together. ... <zoology>' Pectinate claw, a claw having a serrate edge, found in some birds …

pectineal ligament
<anatomy> A thick, strong fibrous band that passes laterally from the lacunar ligament along the pectineal line of the pubis. ... See: aponeurosis of external abdominal oblique muscle. ... Synonym: ligamentum pectineale, Cooper's ligaments. ... (05 Mar 2000) ...

pectineal line
A ridge running down the posterior surface of the shaft of the femur from the lesser trochanter to which the pectineus muscle attaches; continuous superiorly with intertrochanteric line and inferiorly with the medial lip of the linea aspera. ... Synonym: linea pectinea. ... (05 Mar 2000) ...

pectineal line of pubis
Synonym for pecten pubis ... The continuation on the superior ramus pubis of the linea terminalis, forming a sharp ridge. ... Synonym: pecten ossis pubis, pectineal line of pubis. ... (05 Mar 2000) ...

pectineal muscle
Synonym for pectineus ... <anatomy, muscle> Origin, crest of pubis; insertion, pectineal line of femur; action, adducts thigh and assists in flexion; nerve supply, obturator and femoral. ... Synonym: musculus pectineus, pectineal muscle. ... (05 Mar 2000) ...

pectinesterase
Synonym for pectase ... <enzyme> An enzyme that converts pectin to d-galacturonic acid (pectic acid); used in the treatment of certain foodstuffs. ... Synonym: pectinesterase. ... (05 Mar 2000) ...

pectineus
<anatomy, muscle> Origin, crest of pubis; insertion, pectineal line of femur; action, adducts thigh and assists in flexion; nerve supply, obturator and femoral. ... Synonym: musculus pectineus, pectineal muscle. ... (05 Mar 2000) ...

pectinic acids
Term sometimes used for commercial pectins. ... (05 Mar 2000) ...

pectiniform
Synonym for pectinate ... Comb-like. ... (09 Oct 1997) ...

pectiniform septum
Septum pectiniforme, the anterior portion of the septum penis which is broken by a number of slitlike perforations. ... Synonym: comblike septum. ... (05 Mar 2000) ...

pectins
<chemical> High molecular weight polysaccharides present in the cell walls of all plants. Pectins cement cell walls together. They are used as emulsifiers and stabilisers in the food industry. They have been tried for a variety of therpeutic uses including as antidiarreals, where they are now generally considered ineffective, and in the treat …

pectization
In colloidal chemistry, coagulation. ... Origin: G. Pektikos, curdling ... (05 Mar 2000) ...

pectoral
1. Of or pertaining to the breast, or chest; as, the pectoral muscles. ... 2. Relating to, or good for, diseases of the chest or lungs; as, a pectoral remedy. ... 3. <zoology> Having the breast conspicuously coloured; as, the pectoral sandpiper. ... <anatomy> Pectoral arch, or Pectoral girdle, the jacksnipe . ... Origin: L. Pectoralis, fr. …

pectoral fascia
The fascia that covers the pectoralis major muscle; it is attached to the sternum and to the clavicle; laterally and below it is continuous with the fascia of the shoulder, axilla, and thorax. ... Synonym: fascia pectoralis. ... (05 Mar 2000) ...

pectoral girdle
shoulder girdle ...

pectoral glands
Synonym for axillary lymph nodes ... Numerous nodes around the axillary veins which receive the lymphatic drainage from the upper limb, scapular region and pectoral region (including mammary gland); they drain into the subclavian trunk. ... Synonym: nodi lymphatici axillares, axillary glands. ... (05 Mar 2000) ...

pectoral muscles
Muscles underlying the breast area. ... (16 Dec 1997) ...

pectoral reflex
Contraction of the pectoralis major muscle elicited by tapping the seventh rib between the anterior and the medial axillary lines while the arm is abducted; contraction of the deltoid and biceps may also occur. ... Synonym: costopectoral reflex. ... (05 Mar 2000) ...

pectoral region
The region of the chest demarcated by the outline of the pectoralis major muscle. ... See: pectoral region, regions of chest. ... Synonym: regio pectoralis. ... (05 Mar 2000) ...

pectoral ridge
Synonym for crest of greater tubercle ... The ridge below the greater tubercle of the humerus into which the pectoralis major muscle inserts. ... Synonym: crista tuberculi majoris, bicipital ridges, pectoral ridge. ... (05 Mar 2000) ...

pectoral veins
Veins draining the pectoral muscles and emptying directly into the subclavian vein. ... Synonym: venae pectorales. ... (05 Mar 2000) ...

pectoralgia
Pain in the chest. ... Origin: L. Pectus (pector-), chest, + G. Algos, pain ... (05 Mar 2000) ...

pectoralis major
<anatomy, muscle> Origin, clavicular part (pars clavicularis), medial half of clavicle; sternocostal part (pars sternocostalis), anterior surface of manubrium and body of sternum and cartilages of first to sixth ribs; abdominal part (pars abdominalis), aponeurosis of external oblique; insertion, crest of greater tubercle of humerus; action, a …

pectoralis minor
<anatomy, muscle> Origin, third to fifth ribs at the costochondral articulations; insertion, tip of coracoid process of scapula; action, draws down scapula or raises ribs; nerve supply, medial pectoral nerve. ... Synonym: musculus pectoralis minor, smaller pectoral muscle. ... (05 Mar 2000) ...

pectoralis muscles
Muscular tissues attached to the front of the chest wall and extending to the upper arms. These are under the breast. They are divided into the pectoralis major and the pectoralis minor muscles. ... (09 Oct 1997) ...

pectorodorsal muscle
Synonym for pectorodorsalis muscle ... <anatomy> An anomalous muscle or tendinus slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Though to be a vestige of the panniculus carnosus muscle of lower mammals. ... Synonym: axillary arch muscle, axillary arch, pectorodorsal muscle. ... …

pectorodorsalis muscle
<anatomy> An anomalous muscle or tendinus slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Though to be a vestige of the panniculus carnosus muscle of lower mammals. ... Synonym: axillary arch muscle, axillary arch, pectorodorsal muscle. ... (05 Mar 2000) ...

pectorophony
Synonym: pectoriloquy. ... Origin: L. Pectus, chest, + G. Phone, voice ... (05 Mar 2000) ...

pectus carinatum
Pigeon-breasted. ... (12 Dec 1998) ...

pectus excavatum
Caved-in chest. Usually an unimportant isolated finding evident at birth. (Funnel chest can occasionally be part of a connective tissue disorder such as Marfan syndrome). ... (12 Dec 1998) ...

pectus recurvatum
Synonym for pectus excavatum ... Caved-in chest. Usually an unimportant isolated finding evident at birth. (Funnel chest can occasionally be part of a connective tissue disorder such as Marfan syndrome). ... (12 Dec 1998) ...

peculiar
1. One's own; belonging solely or especially to an individual; not possessed by others; of private, personal, or characteristic possession and use; not owned in common or in participation. 'And purify unto himself a peculiar people.' (Titus II. 14) 'Hymns . . . That Christianity hath peculiar unto itself.' (Hooker) ... 2. Particular; individual; spe …

ped-
Foot, feet. ... Origin: L. Pes, foot ... (05 Mar 2000) ...

pedagogue
1. A slave who led his master's children to school, and had the charge of them generally. ... 2. A teacher of children; one whose occupation is to teach the young; a schoolmaster. ... 3. One who by teaching has become formal, positive, or pedantic in his ways; one who has the manner of a schoolmaster; a pedant. ... Origin: F. Pedagogue, L. Paedagogus, …

pedal
1. <marine biology, zoology> Of or pertaining to the foot, or to feet, literally or figuratively; specifically, pertaining to the foot of a mollusk; as, the pedal ganglion. ... 2. Of or pertaining to a pedal; having pedals. ... <geometry> Pedal curve or surface, an organ which has pedals or a range of keys moved by the feet; that portion …

pedal system
Efferent fibres connecting the forebrain with more caudal structures. ... (05 Mar 2000) ...

pedate
Of a palmate or palmately-lobed leaf, having the lateral segments divided again. ... (09 Oct 1997) ...

pedatrophia
Synonym: marasmus. ... Origin: G. Pais (paid-), child, + atrophy ... (05 Mar 2000) ...

pederast
One who practices pederasty. ... (05 Mar 2000) ...

pederasty
Homosexual anal intercourse, especially when practiced on boys. ... Origin: G. Paiderastia; fr. Pais (paid-), boy, + erao, to long for ... (05 Mar 2000) ...

Pedersen's speculum
A narrow flat speculum used in vaginas with a narrow introitus. ... (05 Mar 2000) ...

pedesis
Synonym: brownian movement. ... Origin: G. Pedesis, a leaping ... (05 Mar 2000) ...

pedestal
1. The base or foot of a column, statue, vase, lamp, or the like; the part on which an upright work stands. It consists of three parts, the base, the die or dado, and the cornice or surbase molding. ... 2. An iron socket, or support, for the foot of a brace at the end of a truss where it rests on a pier. Pedestal coil, a group of connected straight …

pediatrician
Synonym for paediatrician ... <specialist> A medical doctor who treats children and infants. ... (10 Jan 1998) ...

pediatrics
Synonym for paediatrics ... Paediatrics is concerned with the health of infants, children and adolescents, their growth and development, and their opportunity to achieve full potential as adults. (r.e. Behrman in nelson's textbook of paediatrics) ... (12 Dec 1998) ...

pedicel
<botany> The stalk of a flower. ... (14 Oct 1997) ...

pedicellation
Formation of a pedicle or peduncle. ... (05 Mar 2000) ...

pedicle
1. A constricted portion or stalk. ... Synonym: pediculus. ... 2. A stalk by which a nonsessile tumour is attached to normal tissue. ... Synonym: pedunculus, peduncle. ... 3. A stalk through which a flap receives nourishment until its transfer to another site results in the nourishment coming from that site. ... Origin: L. Pediculus, dim. Of pes, foot
pedicle flap
A skin flap sustained by a blood-carrying stem from the donor site during transfer, in periodontal surgery, a flap used to increase the width of attached gingiva, or to cover a root surface, by moving the attached gingiva, which remains joined at one side, to an adjacent position and suturing the free end. ... (05 Mar 2000) ...

pedicle graft
Synonym for pedicle flap ... A skin flap sustained by a blood-carrying stem from the donor site during transfer, in periodontal surgery, a flap used to increase the width of attached gingiva, or to cover a root surface, by moving the attached gingiva, which remains joined at one side, to an adjacent position and suturing the free end. ... (05 Mar 200 …

pedicle of arch of vertebra
The constricted portion of the arch on either side extending from the body to the lamina; bound intervertebral foramina superiorly and inferiorly. ... Synonym: pediculus arcus vertebrae, radix arcus vertebrae. ... (05 Mar 2000) ...

pedicular
Relating to pediculi, or lice. ... Origin: L. Pedicularis ... (05 Mar 2000) ...

pediculi
Plural of pediculus. ... Origin: L. ... (05 Mar 2000) ...

pediculicide
An agent used to destroy lice. ... Origin: L. Pediculus, louse, + caedo, to kill ... (05 Mar 2000) ...

Pediculoides ventricosus
Synonym: Pyemotes tritici. ... Origin: Mod. L., fr. L. Pediculus, louse, + venter, belly ... (05 Mar 2000) ...

pediculophobia
<psychology> Morbid fear of infestation with lice. ... Synonym: phthiriophobia. ... Origin: L. Pediculus, louse, + G. Phobos, fear ... (05 Mar 2000) ...

pediculosis
<dermatology> Infestation with lice of the family Pediculidae, especially infestation with Pediculus humanus. ... (18 Nov 1997) ...

pediculosis capitis
The presence of lice on the scalp, seen especially in children, with nits attached to hairs. ... Synonym: pthiriasis capitis. ... (05 Mar 2000) ...

pediculosis corporis
The presence of body lice which live in the seams of clothing. Biting causes pruritus and excoriations. ... See: parasitic melanoderma. ... Synonym: pediculosis vestimenti, pediculosis vestimentorum, pthiriasis corporis. ... (05 Mar 2000) ...

pediculosis palpebrarum
The presence of lice in the eyelashes. ... (05 Mar 2000) ...

pediculosis pubis
Infestation with the pubic or crab louse, Pthirus pubis, especially in pubic hair, causing pruritus and maculae ceruleae. ... Synonym: pthiriasis. ... (05 Mar 2000) ...

pediculosis vestimentorum
Synonym for pediculosis corporis ... The presence of body lice which live in the seams of clothing. Biting causes pruritus and excoriations. ... See: parasitic melanoderma. ... Synonym: pediculosis vestimenti, pediculosis vestimentorum, pthiriasis corporis. ... (05 Mar 2000) ...

pediculous
Infested with lice. ... Synonym: lousy. ... (05 Mar 2000) ...

pediculous blepharitis
Synonym for blepharitis parasitica ... Marginal blepharitis due to the presence of lice. ... Synonym: blepharitis phthiriatica, pediculous blepharitis. ... (05 Mar 2000) ...

pediculus arcus vertebrae
Synonym for pedicle of arch of vertebra ... The constricted portion of the arch on either side extending from the body to the lamina; bound intervertebral foramina superiorly and inferiorly. ... Synonym: pediculus arcus vertebrae, radix arcus vertebrae. ... (05 Mar 2000) ...

pedicure
Care and treatment of the feet. ... Origin: L. Pes (ped-), foot, + cura, treatment ... (05 Mar 2000) ...