(n.) One of the minute apertures between the cells in many serous membranes.
(n.) The minute breathing pores of leaves or other organs opening into the intercellular spaces, and usually bordered by two contractile cells.
(n.) The line of dehiscence of the sporangium of a fern. It is usually marked by two transversely elongated cells. See Illust. of Sporangium.
(n.) A stigma. See Stigma, n., 6 (a) & (b).
Example Sentences:
(1) Follow-up studies up to 2 years postoperatively revealed satisfactorally functioning stomas in all of the patients.
(2) This surgical procedure involves removing the penile urethra and creating a permanent stoma between the skin and pelvic urethra.
(3) Both types of stoma were demonstrated objectively to defunction the distal bowel almost completely.
(4) Emergency stoma formation seems to be associated with the highest complication rates, probably because of suboptimal stoma placement.
(5) Acceptance of the stoma by family and friends was good and there were no major difficulties in practising sports and other hobbies.
(6) A universal ventilation laser fiberoptic tracheoscope has been developed for use in endoscopic treatment of patients with obstructing benign and malignant lesions of the subglottis-cervicotrachea and laryngectomy tracheal stoma.
(7) The method has been developed by the authors in view of the prevalence of strictures involving the terminal ureter and the stoma after unintubated cutaneous ureterostomy in case of a normal ureteral lumen.
(8) In both groups the patients developed post-operative pharyngo-cutaneous fistulae in approximately one third of the cases, and we found no obvious difference in the stoma's ability to shrink in the two groups.
(9) The procedure offers a choice of locations of the reservoir and stoma in most patients.
(10) Patients 60 years of age or older tolerate ileostomy well, but care of the stoma can cause problems.
(11) No patients with small bowel localization required a permanent stoma.
(12) The late complication in 3 cases was urinary incontinence of the efferent nipple valve with difficulty in catheterization of the stoma.
(13) In GPL mechanical fractures such as pouch volume and stoma size are of great importance, which is in accordance with earlier theories.
(14) A tapered distal ileal segment with a catheterizable abdominal stoma provided full continence in all 10 patients.
(15) Patients initially presenting with rectal involvement or perianal fistulas were prone to need a stoma during the course of their disease while intraabdominal fistulas, abscesses, age, sex, and longstanding disease where of no prognostic significance.
(16) Although only positive metabolic changes have been registered, we feel that gastroplasty, which is not without early postoperative complications and has a failure rate of about 30%, cannot be generally recommended until the problem of postoperative dilation of the stoma has been successfully solved.
(17) Diversion with a continent caecal reservoir was associated with fewer stoma-related problems and seemed to allow the patients greater freedom to continue activities such as sport, travel and social life.
(18) But the insertion of silicone T tube through the laryngeal stoma provided a satisfactory result for airway problem.
(19) Nipple stomas of at least 2 cm height were found to resist back-flow into the conduit better than any flat stoma.
(20) Between January 1, 1982 and June 30, 1987 a total of 122 patients suffering colorectal cancer (n = 88) or diverticulitis of the colon (n = 24) underwent surgery for construction of a transient defunctioning stoma.
Stomata
Definition:
(pl. ) of Stoma
Example Sentences:
(1) Reconstruction of the intrahepatic biliary tree was carried out in all patients using intrahepatic cholangiojejunostomies between common segmental hepatic stomata and a Roux-en-Y jejunal loop.
(2) Lymphatic stomata were present on the inferior surface but absent on the superior surface.
(3) Some of the stomata overlie a deep pit; others overlie a shallower pit in which the surface of another cell can be seen beneath the opening.
(4) Physiological and biochemical studies have suggested that the plant plasma membrane H+-ATPase controls many important aspects of plant physiology, including growth, development, nutrient transport, and stomata movements.
(5) In normal controls, the mesangial matrix appeared as fenestrated septa with oval or round stomata between the glomerular capillaries.
(6) These had networks which formed the floor of each stomata and the roof of each lacunae.
(7) Files lacking stomata were found only over longitudinal vascular bundles.
(8) In 16 human specimens the topography and organization of stomata and mesothelial cells of the diaphragmatic, pelvic wall and anterior abdominal wall peritoneum were studied by transmission electron microscopy, scanning electron microscopy and the image processing technique.
(9) Operative procedures included small bowel resection in 30%, creation of stomata in 14%, and deviation anastomoses in 12%.
(10) A glutaraldehyde-fixed normal rat aorta was perfused with silver nitrate; 17 typical stomata and stigmata were photographed en face, then studied on ultrathin serial sections.
(11) Blood cell components derived from ovulation entered lymphatics via stomata.
(12) Due to the complete absence of collagenous fibres in the area of the stomata particles smaller than the diameter of the stomata may be resorbed easily.
(13) Examination of the posterior or inner wall of this canal, represented by the sclerocorneal trabecula, in 15 species of primates and 5 adult humans, has enabled us to observe the existence of some small orifices or stomata that are the outermost part of the so-called Sondermann's canals, which in our opinion are made by the successive confluence of the interstices worked in the interior of the sclerocorneal trabecula by means of contraction of the longitudinal portion of the ciliary muscle.
(14) Gastroplasty patients with smaller stomata lost more weight than those with larger stomata.
(15) The membranes of endothelial cells are studded with attachment sites and stomata of plasmalemmal vesicles suggesting a high level of pinocytotic activity.
(16) The vesicular stomata are absent in parajunctional areas.
(17) The loss of the scavenging function of the omentum was associated with wide dissemination of the tumor in the peritoneal cavity and increased access of the tumor to the lymphatic stomata on the peritoneal surface of the diaphragm.
(18) Bean leaf stomata provide a topographical signal that induces germlings of the phytopathogen Uromyces appendiculatus to develop specialized infection structures.
(19) Neostigmine has been found to decrease lymphatic absorption in rats, presumably by causing constriction of the lymphatic stomata.
(20) We observed that numbers and diameters of the peritoneal stomata were increased in mice with ascites.