What's the difference between extravasation and exudation?

Extravasation


Definition:

  • (n.) The act of forcing or letting out of its proper vessels or ducts, as a fluid; effusion; as, an extravasation of blood after a rupture of the vessels.

Example Sentences:

  • (1) Significant increases in the extravasation of dye were observed in both animal groups sensitized with IgG1 and IgG2 antibodies.
  • (2) Moreover, 8 of 10 cats in the 10% HAES group showed extravasation of red cells.
  • (3) To determine if monokines might play a pathogenic role in this model, the present study evaluated the effects of a murine monokine preparation enriched in IL-1 bioactivity on selected events characterizing the early pneumotoxic response to monocrotaline, including pulmonary edema and protein extravasation, pulmonary vascular hyperreactivity, and enhanced lung tissue activity of the rate-limiting enzyme in polyamine biosynthesis, ornithine decarboxylase (ODC).
  • (4) Perforations of the left atrial or ventricular wall and extravasations of contrast medium during transseptal left heart catheterisation or angiocardiography can be eliminated by replacing the normally used transseptal catheters by Pigtail-catheters.
  • (5) Mitomycin C extravasation produces a painful indolent ulcer that does not have any tendency to heal.
  • (6) When given 30 min after acetic acid instillation SC-41930 prevented the rise in myeloperoxidase and dye extravasation observed in the acetic acid inflammed tissue.
  • (7) The inhibitory action of nicotine on plasma extravasation may contribute, in part, to the reported increased severity of arthritis in individuals who smoke.
  • (8) 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.
  • (9) Many instances of such extravasation in this age group have been described with lower urinary tract obstructions.
  • (10) injection become transiently embolized; within hours, however, they begin to extravasate from the blood capillaries.
  • (11) Analyses of local blood flow and albumin extravasation were made 7 days after implantation.
  • (12) These brains did not show any macroscopically evident Evans blue-albumin extravasation.
  • (13) There are a few reports of spontaneous peripelvic extravasation caused by a malignant tumor in Japanese literature.
  • (14) It results in extravasation of fibrinogen that clots to form fibrin, which serves as a provisional matrix and promotes angiogenesis and scar formation.
  • (15) The initial step in extravasation of neutrophils (polymorphonuclear leukocytes [PMNs]) to the extravascular space is adherence to the endothelium.
  • (16) This involvement is manifest in increased permeability of these vessels to plasma proteins and in highly augmented lymphatic drainage of the extravasated proteins from the renal interstitium.
  • (17) When administered at high concentrations (1 mg kg-1) methiothepin and metergoline decreased plasma protein extravasation in rat dura mater.
  • (18) Dacryocystography was done in 15 patients immediately following the lateral osteotomy, and there was no evidence of lacrimal sac injury or extravasation of the dye in any patient.
  • (19) who showed a direct relation between protein extravasation and the increase of water in extracellular vasogenic edema.
  • (20) The configuration of pigtail DSA catheters should reduce or prevent damage to vessel wall due to extravasation.

Exudation


Definition:

  • (n.) The act of exuding; sweating; a discharge of humors, moisture, juice, or gum, as through pores or incisions; also, the substance exuded.

Example Sentences:

  • (1) In addition to oncogenes, the transferred DNA contains genes that direct the synthesis and exudation of opines, which are used as nutrients by the bacteria.
  • (2) Exudative inflammatory processes predominate in the ulcer floor.
  • (3) In 60 rhesus monkeys with experimental renovascular malignant arterial hypertension (25 one-kidney and 35 two-kidney model animals), we studied the so-called 'hard exudates' or white retinal deposits in detail (by ophthalmoscopy, and stereoscopic color fundus photography and fluorescein fundus angiography, on long-term follow-up).
  • (4) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
  • (5) Furthermore, experiments with the fluorescence-activated cell sorter revealed increased forward light scatter from resting exudate PMN compared to blood PMN.
  • (6) In a Caucasian woman with a history of ocular and pulmonary sarcoidosis, the occurrence of sclerosing peritonitis with exudative ascites but without any of the well-known causes of this syndrome prompts us to consider that sclerosing peritonitis is a manifestation of sarcoidosis.
  • (7) Significant correlations existed between the average number of leukocytes in the gingival exudate and the oral hygiene indices.
  • (8) These killer cells could lyse a wide range of syngeneic and allogeneic lymphoid tumour cell lines in vitro, and it was found that cell suspensions from nude mice were always significantly more active than those from normal mice, and that the most active effector population was a polymorph-enriched peritoneal-exudate cell suspension.
  • (9) A greater degree of inhibition of migration was induced by addition of antigen to mononuclear cells from 18- and 24-hour exudate cells in comparison with 6- and 12-hour exudates.
  • (10) There were hemorrhages in sclera, gums and left tonsillar area and a grayish exudate on right tonsil.
  • (11) A large exudative retinal detachment and hypopyon developed in one eye, and cultures from the anterior chamber aspirate grew CMV.
  • (12) Analysis of serum, plasma and exudate proteins revealed quantitative and qualitative differences between newborn and adult rats.
  • (13) Several stages in its histogenesis may be discerned: I. focal necroses of hepatic cells associated with their invasion with lister Listeria; 2. appearance of cellular elements around the foci of necroses with subsequent formation of granulemas consisting mainly of leucocytes and lymphoid cells; 3. development of necrobiotic changes in the central areas of granulemas with concomitance of exudative processes; 4. organization of necrotic foci with subsequent scarring.
  • (14) 28 patients with non proliferating exudative diabetic retinopathy were treated with 750 mg Doxium and 1500 mg Clofibrate daily during 8.6 months on an average.
  • (15) Six abnormal colonoscopic appearances were documented, namely mucosal edema, ulcers, friability, punctate spots, erythematous areas and luminal exudate.
  • (16) Eleven effusions met one or more of three criteria commonly used to identify exudative effusions.
  • (17) The enhanced cytotoxicity was also present in concanavalin A- and Corynebacterium parvum-elicited peritoneal exudate cells (PEC) obtained from DMN-exposed animals while thioglycollate-elicited PEC from DMN-exposed animals displayed no increase in their cytotoxic activity as compared to vehicle-exposed animals.
  • (18) The specific T-cell-mediated cytotoxic potential of the peritoneal exudate of mice immunized with tumor was therefore at least 100 times greater in mice that had received BCG ip.
  • (19) Antibodies to the LPS preparation were demonstrated in the exudate and serum by indirect haemagglutination of sheep erythrocytes before the second LPS injection.
  • (20) Plasma exudation rapidly occurred 0-15 min after the intradermal injection of T-kinin.