Aysel Crocket

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Using a methylene blue staining techique, the innervation in the rat stomach has been studied. Several distinctive patterns of beaded and unbeaded nerves were seen. Axons in the muscle coat gave branches which ramified in connective tissue and were occasionally related to blood vessels. Further nerve fibres passed directly between the muscularis mucosae and(More)
The gastric secretagogues, pentagastrin and carbachol, produced a 100% incidence of duodenal ulcers. Truncal vagotomy (TV) and parietal cell vagotomy (PCV) prevented these experimental ulcers in the early post-operative period. At 3 weeks TV rats showed a decrease in weight gain, gross gastric distension and the infusion of gastric secretagogues now caused(More)
This study determined if the vagus nerve can regenerate and/or reinnervate the gastric parietal cell mass after parietal cell vagotomy (PCV) and examines tests for assessing vagus nerve regeneration in rats. Microscopic dissection of the neurovascular bundle allowed the vagus nerve to be divided at the gastric body with preservation of the antropyloric(More)
Rats having undergone parietal cell vagotomy (PCV) or PCV with antrectomy were sacrificed and gastric mucosal samples studies by electron microscopy. Degeneration of axons was followed by the appearance of small, neurotubule-rich axons which increased in size and number with increasing postoperative interval. The source of these regenerating fibers is(More)
The incidence of recurrent ulceration after parietal cell vagotomy varies greatly and the cause is largely unknown. Whether the vagus nerve can regenerate or reinnervate the gastric parietal cell mass after parietal cell vagotomy was investigated. Careful microscopic dissection of the neurovascular bundle in 130 rats allowed the vagus nerve to be divided to(More)
This study was undertaken to define the earliest ultrastructural changes appearing in the exocrine pancreas and its vasculature during the development of experimental acute pancreatitis induced by the closed duodenal loop technique. Experimental and shamoperated rats were killed at hourly intervals up to 4 hr and at 6 hr postoperatively. Focal acinar cell(More)
This study was undertaken for the purpose of a serial investigation of the development and progression of the light-microscopic changes of acute pancreatitis and histologic criteria for evaluating pancreatitis. Acute pancreatitis, similar to that found in man, was induced in rats with the use of a closed duodenal loop technique (n = 36). Control rats(More)
Prostaglandin E1 (PGE1) was tested for cytoprotective activity against the development of experimental acute pancreatitis in the rat induced by the closed duodenal loop technique. Sham-operated, untreated and PGE1-treated pancreatic rats were investigated. All rats received an initial bolus of 3 ml 5% dextrose in normal saline (D5NS) via jugular catheter 30(More)
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