(n.) The abnormal reception or slipping of a part of a tube, by inversion and descent, within a contiguous part of it; specifically, the reception or slipping of the upper part of the small intestine into the lower; introsusception; invagination.
(n.) The interposition of new particles of formative material among those already existing, as in a cell wall, or in a starch grain.
(n.) The act of taking foreign matter, as food, into a living body; the process of nutrition, by which dead matter is absorbed by the living organism, and ultimately converted into the organized substance of its various tissues and organs.
Example Sentences:
(1) Ultrasonography of 4 cases of intussusception in children with proven lead points were reviewed retrospectively.
(2) Two normal variants that could be confused with abnormalities were noted: (a) the featureless appearance of the duodenal bulb may be mistaken for extravasation, and (b) contrastmaterial filling of the proximal jejunal loop at an end-to-end anastomosis with retained invaginated pancreas may be mistaken for intussusception.
(3) In those with poor results, four had complete emptying and three had rectoanal intussusception.
(4) Twenty adults were treated for intussusception in two large hospitals from 1969 to 1988.
(5) An intussusception type antireflux valve in the Roux-en-Y loop was effective for preventing cholangitis; cholangitis developed in none of 8 patients with an anti-reflux valve, whereas cholangitis developed in 25(48%) of recent 52 patients without a valve.
(6) A case of double intussusception through a patent vitello-intestinal duct is reported.
(7) Chronic intussusception is a rare but completely correctable cause of failure to thrive in infants and children.
(8) We report a case of ureteral intussusception owing to well differentiated transitional cell carcinoma.
(9) The case records of 26 horses with ileocecal intussusception over a 7-year period were reviewed to determine clinical features of the disease and response to treatment.
(10) This contrasts with previous reports from Nigeria where intussusception has been presented as being commoner in older children.
(11) Urinary leakage in 3 patients with a right colonic reservoir (2 with an intussuscepted ileal nipple valve and 1 with a plicated ileal segment as a continence mechanism) was managed with tapered narrowing of the nipple valve and the ileocecal valve, respectively, using stapling techniques.
(12) A case of choriocarcinoma presenting as an ileo-ileal intussusception in a sixteen year old girl is presented.
(13) Intussusception may occur as the first indication of tumour recurrence or metastasis, but is more commonly a manifestation of widespread disease.
(14) These marker clips are of great value in the diagnosis of intussusception occurring in the bypassed loop.
(15) The major symptoms of intussusception were bloody diarrhoea (87.17%), vomiting.
(16) Provided that the intussuscepted segment appears viable it seems justified to aim initially to reduce jejuno-gastric intussusception with the aid of the gastroscope.
(17) It was concluded that the intussusception was consequent to hyperperistalsis induced by the coccidial infection of the intestines.
(18) In jejunojejunal and ileoileal intussusceptions, an attempt at primary reduction followed by resection or enterotomy is justified.
(19) We describe a patient with acute retrograde intussusception of the efferent loop into the jejunojejunostomy occurring 14 months after partial gastrectomy with Billroth II anastomosis.
(n.) The condition of an invaginated organ or part.
(n.) One of the methods by which the various germinal layers of the ovum are differentiated.
Example Sentences:
(1) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
(2) Two normal variants that could be confused with abnormalities were noted: (a) the featureless appearance of the duodenal bulb may be mistaken for extravasation, and (b) contrastmaterial filling of the proximal jejunal loop at an end-to-end anastomosis with retained invaginated pancreas may be mistaken for intussusception.
(3) A general hypothesis is presented for the positive regulation of the initiation of cell wall and cell membrane invagination in this organism.
(4) These cells show many pinocytic invaginations and subsarcolemmic vesicles.
(5) Electron microscopically, the tumor cell nuclei were oval or polygonal and sometimes slightly invaginated, with a few prominent nucleoli.
(6) Morphology of the mature spermatozoon is modified from that of the classic primitive or ect-aquasperm type by having 1) the acrosome embedded in the nucleus (the only known example within the Mollusca), 2) a deep basal invagination in the nucleus containing proximal and distal centrioles and an enveloping matrix (derived from the rootlet), 3) laterally displaced periaxonemal mitochondria, and 4) a tail extending from the basal invagination of the nucleus.
(7) By 7 days, vascular buds were present at the edge of the graft and invaginating into the islet tissue.
(8) Invaginating mesodermal cells of the lateral and ventral parts also form pseudopodia, and are in contact with the blastocoelic wall.
(9) The changes observed were alterations of the nucleus (fingerlike or fingerformed nuclei, nuclear invaginations, and intranuclear vesicular membrane bodies), changes of the mitochondries (number, polymorphy, and osmiophil bodies), as well as changes of lysosomes (myelin-shaped residual bodies).
(10) Thus intracellular free calcium may be regulated by a combination of energy-requiring extrusion and passive influx through receptor-operated calcium channels located in the invaginated vesicular membranes, with short diffusion distances to the actin-myosin filaments in the cytoplasm.
(11) In this investigation we present results suggesting that the phage nucleocapsid penetrates the host cytoplasmic membrane via a membrane invagination and an intracellular vesicle.
(12) In this active area which invaginates the neuronal cytoplasm, osmiophilic granules but smaller can be seen, similar to those in the neighbouring neuron.
(13) In order to determine the frequency and specificity of intranuclear cytoplasmic inclusions (invaginations), described by some as an important criterion for the cytologic diagnosis of thyroid carcinoma, 258 consecutive thyroid aspirates were reviewed.
(14) At the stage when each placode first becomes visible conspicuous differences have been seen in the surface morphology between those cells which will invaginate and form the placode and those which will remain on the surface of the head, forming the epidermis.
(15) The most common group of neurons within the gustatory zone contains both large (X1) and small (X3) members that possess deeply invaginated nuclear profiles.
(16) The majority of the choline acetyltransferase-immunoreactive neurons had fusiform, oval, or polygonal somata with somatic diameters greater than 20 microns and contained deeply invaginated nuclei surrounded by copious cytoplasm.
(17) In the last 8 years 15 cases of Meckel's diverticulum were observed, 6 of them with complications: three times inflammation (with two perforations), each once invagination, incarceration and occult bleeding from carcinoids.
(18) The development of invaginations and microvesicles in P. malariae-infected erythrocytes corresponded to the morphological alterations induced by P. vivax.
(19) The follicle-associated epithelium had invaginations and small vacuoles in the apical cytoplasm, whereas the interfollicular surface epithelium had numerous microvilli on its apical surface and large mucin granules in the apical cytoplasm.
(20) The normal red cells were biconcave disks in which chlorpromazine induced inward (negative) curvature: deep cupping (stomatocytosis) and multiple invaginations.