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Medical Dictionary - Dictionary of Medicine and Human Biology


Medical Dictionary


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pamoate (pam′o-at)
USAN-approved contraction for 4,4′-methylenebis(3-hydroxy-2-naphthoate).

pampiniform (pam-pin′i-form)
Having the shape of a tendril; denoting a vinelike structure. [L. pampinus, a tendril, + forma, form]

pampinocele (pam-pin′o-sel)
SYN: varicocele. [L. pampinus, tendril, + G. kele, tumor]

Pan
Genus of anthropoid apes including the gorilla and chimpanzee. P. panisus and P. troglodytes are chimpanzee species used in biologic experiments. [G. myth. god of forest]

pan-
All, entire. SEE ALSO: pant-. [G. pas, all]

panacea (pan-a-se′a)
A cure-all; a remedy claimed to be curative of all diseases. [G. panakeia, universal remedy, fr. P., Aesculapius' daughter]

panagglutinable (pan-a-gloo′ti-na-bl)
Agglutinable with all types of human serum; denoting erythrocytes having this property.

panagglutinins (pan-a-gloo′ti-ninz)
Agglutinins that react with all human erythrocytes. [pan + L. agglutino, to glue]

panangiitis (pan′an-je-i′tis)
Inflammation involving all the coats of a blood vessel. [pan- + angiitis]

panarteritis (pan′ar-ter-i′tis)
An inflammatory disorder of the arteries characterized by involvement of all structural layers of the vessels. SYN: endoperiarteritis. [pan- + L. arteria, artery, + G. -itis, inflammation]

panarthritis (pan-ar-thri′tis)
1. Inflammation involving all the tissues of a joint. 2. Inflammation of all the joints of the body.

panatrophy (pan-at′ro-fe)
1. Atrophy of all the parts of a structure. 2. General atrophy of the body. SYN: pantatrophia, pantatrophy.

panblastic (pan-blas′tik)
Relating to all the primary germ layers. [pan- + G. blastos, germ]

panbronchiolitis (pan′bron-ke-o-li′tis)
Idiopathic inflammation and obstruction of bronchioles, eventually accompanied by bronchiectasis; cases reported are almost all from Japan. SYN: diffuse p.. diffuse p. SYN: p..

pancarditis (pan-kar-di′tis)
SYN: endoperimyocarditis.

Pancoast
Henry K., U.S. roentgenologist, 1875–1939. See P. syndrome, P. tumor.

pancolectomy (pan′ko-lek′to-me)
Extirpation of the entire colon.

pancreas, pl .pancreata (pan′kre-as, pan-kre-a′ta) [TA]
An elongated lobulated retroperitoneal gland, devoid of capsule, extending from the concavity of the duodenum to the spleen; it consists of a flattened head (caput) within the duodenal concavity, an elongated three-sided body extending transversely across the abdomen, and a tail in contact with the spleen. The gland secretes from its exocrine part pancreatic juice that is discharged into the intestine, and from its endocrine part the internal secretions insulin and glucagon. [G. pankreas, the sweetbread, fr. pas (pan), all, + kreas, flesh] p. accessorium [TA] SYN: accessory p.. accessory p. [TA] a detached portion of pancreatic tissue, usually the uncinate process, and hence most often found in the vicinity of the head of the p., but may occur within the gut wall (stomach or duodenum). SYN: p. accessorium [TA] . anular p. a ring of p. encircling the duodenum, caused by a failure of the embryologic ventral p. to migrate to the right of the duodenum. Aselli p. SYN: Aselli gland. p. divisum a bifid, or divided, p. resulting from a congenital failure of the embryonic primordia to unite completely; each of the portions has its own duct. dorsal p. that portion of the pancreatic primordium of the embryo that arises as a dorsal bud from the foregut endoderm above the hepatic diverticulum. lesser p. SYN: uncinate process of p.. p. minus SYN: uncinate process of p.. small p. SYN: uncinate process of p.. uncinate p., unciform p. SYN: uncinate process of p.. ventral p. that portion of the primordium of the p. that develops, together with the hepatic diverticulum, as a ventral bud from the foregut endoderm. Willis p. SYN: uncinate process of p.. Winslow p. SYN: uncinate process of p..

pancreat-, pancreatico-, pancreato-, pancreo-
The pancreas. [G. pankreas, pancreas]

pancreatalgia (pan′kre-a-tal′je-a)
Rarely used term for pain arising from the pancreas or felt in or near the region of the pancreas. [pancreat- + G. algos, pain]

pancreatectomy (pan′kre-a-tek′to-me)
Excision of the pancreas. SYN: pancreectomy. [pancreat- + G. ektome, excision]

pancreatemphraxis (pan′kre-at-em-frak′sis)
Obstruction in the pancreatic duct, causing swelling of the gland. [pancreat- + G. emphraxis, a stoppage]

pancreatic (pan-kre-at′ik)
Relating to the pancreas.

pancreatico-
See pancreat-.

pancreaticoduodenal (pan-kre-at′i-ko-doo′o-de′nal, -doo-od′e-nal)
Relating to the pancreas and the duodenum.

pancreaticoduodenectomy (pan-kre-at′i-ko-doo-od′en- ek′to-me)
SYN: pancreatoduodenectomy. pylorus-preserving p. excision of all or part of the pancreas and the duodenum with preservation of the distal stomach and the innervated pylorus; usually limited to the head and neck of the pancreas and most often performed for pancreatic carcinoma.

pancreatin (pan′kre-a-tin)
A mixture of the enzymes from the pancreas of the ox or hog, used internally as a digestive, and also as a peptonizing agent in preparing predigested foods; it contains the proteolytic trypsin, the amylolytic amylopsin, and the lipolytic steapsin.

pancreatitis (pan′kre-a-ti′tis)
Inflammation of the pancreas. acute hemorrhagic p. an acute inflammation of the pancreas accompanied by the formation of necrotic areas and hemorrhage into the substance of the gland; clinically marked by sudden severe abdominal pain, nausea, fever, and leukocytosis; areas of fat necrosis are present on the surface of the pancreas and in the omentum because of the action of the escaped pancreatic enzyme (trypsin and lipase). calcareous p. chronic p. with appearance of areas of calcification, seen by x-ray. SYN: calcific p.. calcific p. (kal′sif-ik) SYN: calcareous p.. chronic p. recurrent bouts of inflammatory disease of the pancreas characterized by fibrosis and varying degrees of irreversible loss of exocrine and ultimately endocrine function. chronic fibrosing p. inflammation of the pancreas consisting of fibrosis, acinar atrophy, and calcification. Clinically, it follows a protracted course with relapses and remissions, and is usually due to alcohol abuse or malnutrition. chronic relapsing p. repeated exacerbations of p. in patient with chronic inflammation of that organ. Relapses are usually due to persistence of etiologic factor or repeated exposure to it, such as occurs with partial ductal obstruction or chronic alcoholism.

pancreato-
See pancreat-.

pancreatocholecystostomy (pan-kre-at′o-ko-le-sis-tos′to-me, pan′kre-a-to-)
A rarely performed surgical anastomosis between a pancreatic cyst or fistula and the gallbladder.

pancreatoduodenectomy (pan-kre-at′o-doo-o-de-nek′to-me, pan′kre-a-to-)
Excision of all or part of the pancreas together with the duodenum and usually the distal stomach. SYN: pancreaticoduodenectomy, Whipple operation.

pancreatoduodenostomy (pan-kre-at′o-doo-o-de-nos′to-me, pan′kre-a-to-)
Surgical anastomosis of a pancreatic duct, cyst, or fistula to the duodenum.

pancreatogastrostomy (pan-kre-at′o-gas-tros′to-me, pan′kre-a-to-)
Surgical anastomosis of a pancreatic cyst or fistula to the stomach.

pancreatogenic, pancreatogenous (pan′kre-a-to-jen′ik, -toj′e-nus)
Of pancreatic origin; formed in the pancreas. [pancreato- + G. genesis, origin]

pancreatography (pan′kre-a-tog′ra-fe)
Radiographic demonstration of the pancreatic ducts, after retrograde injection of radiopaque material into the distal duct. [pancreato- + G. grapho, to write]

pancreatojejunostomy (pan-kre-at′o-je-joo-nos′to-me, pan′kre-a-to-)
Surgical anastomosis of a pancreatic duct, cyst, or fistula to the jejunum.

pancreatolith (pan-kre-at′o-lith)
SYN: pancreatic calculus. [pancreato- + G. lithos, stone]

pancreatolithectomy (pan-kre-at′o-li-thek′to-me, pan′kre-a-to-)
SYN: pancreatolithotomy. [pancreato- + G. lithos, stone, + ektome, excision]

pancreatolithiasis (pan-kre-at′o-li-thi′a-sis, pan′kre-a-to-)
Stones in the pancreas, usually found in the pancreatic duct system.

pancreatolithotomy (pan-kre-at′o-li-thot′o-me, pan′kre-a-to-)
Removal of a pancreatic concretion. SYN: pancreatolithectomy. [pancreato- + G. lithos, stone, + tome, incision]

pancreatolysis (pan′kre-a-tol′i-sis)
Destruction of the pancreas. [pancreato- + G. lysis, dissolution]

pancreatolytic (pan′kre-a-to-lit′ik)
Denoting pancreatolysis.

pancreatomegaly (pan′kre-a-to-meg′a-le)
Abnormal enlargement of the pancreas. [pancreato- + G. megas, great]

pancreatomy (pan′kre-at′o-me)
SYN: pancreatotomy.

pancreatopathy (pan′kre-a-top′a-the)
Any disease of the pancreas. SYN: pancreopathy. [pancreato- + G. pathos, suffering]

pancreatopeptidase E (pan′kre-a-to-pep′ti-das)
See elastase.

pancreatotomy (pan′kre-a-tot′o-me)
Incision of the pancreas. SYN: pancreatomy. [pancreato- + G. tome, incision]

pancreatropic (pan′kre-a-trop′ik)
Exerting an action on the pancreas. [pancreat- + G. tropikos, relating to a turning]

pancreectomy (pan-kre-ek′to-me)
SYN: pancreatectomy.

pancrelipase (pan-kre-lip′as, -li′pas)
A concentrate of pancreatic enzymes standardized for lipase content; a lipolytic used for substitution therapy. SYN: lipancreatin.

pancreo-
See pancreat-.

pancreolith (pan′kre-o-lith)
SYN: pancreatic calculus. [pancreo- + G. lithos, stone]

pancreopathy (pan-kre-op′a-the)
SYN: pancreatopathy.

pancreozymin (pan′kre-o-zi′min)
SYN: cholecystokinin.

pancuronium bromide (pan-kur-o′ne-um)
A nondepolarizing steroidal neuromuscular blocking agent resembling curare but without its potential for ganglionic blockade, histamine release, or hypotension.

pancytopenia (pan′si-to-pe′ne-a)
Pronounced reduction in the number of erythrocytes, all types of white blood cells, and the blood platelets in the circulating blood. [pan- + G. kytos, cell, + penia, poverty] congenital p. SYN: Fanconi anemia. Fanconi p. SYN: Fanconi anemia.

pandemic (pan-dem′ik)
Denoting a disease affecting or attacking the population of an extensive region, country, continent, global; extensively epidemic. [pan- + G. demos, the people]

pandemicity (pan-de-mis′i-te)
The state or condition of being pandemic.

pandiculation (pan-dik-u-la′shun)
The act of stretching, as when awaking. [L. pandiculor, to stretch oneself, fr. pando, to spread out]

Pandy
Kalman, Hungarian neurologist, 1868–1945. See P. test, P. reaction.

panencephalitis (pan′en-sef-a-li′tis)
A diffuse inflammation of the brain. nodular p. probably a form of subacute sclerosing p.. SYN: Pette-Döring disease. subacute sclerosing p. (SSPE) a rare chronic, progressive encephalitis that affects primarily children and young adults, caused by the measles virus. Characterized by a history of primary measles infection before the age of 2 years, followed by several asymptomatic years, and then gradual, progressive psychoneurological deterioration, consisting of personality change, seizures, myoclonus, ataxia, photosensitivity, ocular abnormalities, spasticity, and coma. Characteristic periodic activity is seen on EEG; pathologically, the white matter of both the hemispheres and brainstem are affected, as well as the cerebral cortex, and eosinophilic inclusion bodies are present in the cytoplasm nuclei of neurons and glial cells. Death usually occurs within 3 years. SYN: Bosin disease, Dawson encephalitis, inclusion body encephalitis, sclerosing leukoencephalitis, subacute inclusion body encephalitis, subacute sclerosing leukoencephalitis, van Bogaert encephalitis.

panendoscope (pan-en′do-skop)
An illuminated instrument for inspection of the interior of the urethra as well as the bladder by means of a telescopic lens system. [pan- + G. endon, within, + skopeo, to view]

panesthesia (pan-es-the′ze-a)
The sum of all the sensations experienced by a person at one time. SEE ALSO: cenesthesia. [pan- + G. aisthesis, sensation]

Paneth
Josef, Austrian physician, 1857–1890. See P. granular cells, under cell.

pang (pang)
A sudden sharp, brief pain. breast p. SYN: angina pectoris.

panhidrosis (pan-hi-dro′sis)
SYN: panidrosis.

panhydrometer (pan-hi-drom′e-ter)
A hydrometer for determining the specific gravity of any liquid. [pan- + G. hydor, water, + metron, measure]

panhyperemia (pan′hi-per-e′me-a)
Universal congestion or hyperemia. [pan- + G. hyper, over, + haima, blood]

panhypopituitarism (PHP) (pan-hi′po-pi-too′i-ta-rizm)
A state in which the secretion of all anterior pituitary hormones is inadequate or absent; caused by a variety of disorders that result in destruction or loss of function of all or most of the anterior pituitary gland. Rare forms of PHP are inherited as autosomal recessive [MIM*262600] or as X-linked recessive [MIM*312000]. SYN: ateliotic dwarfism, hypophyseal cachexia, hypophysial cachexia.




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