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A method for purifying chromaffin cells from adult, bovine, adrenal medullae and the techniques for maintaining the cells in suspension culture for at least 14 days are presented. Perfusion of medullae with a collagenase-containing medium produced a cell fraction that contained, in addition to chromaffin cells, a significant percentage of non-chromaffin(More)
Magnetic resonance images (MRIs) of the brains of 11 patients aged from 1 week to 12 years with a distinctive type of cerebral palsy were selected based on distribution of cerebral lesions, which were restricted to bilateral perirolandic cortical and subcortical regions, including frequent symmetric involvement of basal ganglia and ventrolateral nucleus of(More)
Data from the medical treatment group of the Aspirin in TIA study were reviewed, and prospective analysis of patients with asymptomatic bruits was performed to see whether carotid stenosis (0 to 49% or 50 to 99%) or ulceration produced an increased risk of ipsilateral TIA or infarct. In symptomatic arteries, greater than 50% stenosis without ulceration(More)
These experiments examined the effects on memory of posttrial, subseizure, electrical stimulation of the amygdala. Rats were trained in a visual discriminated avoidance Y-maze. Each animal received 6 tirals on the training day. Retention, tested the following day, was measured both by the number of correct choices on the first 6 retraining trials and by the(More)
We report the unique combination of a mid anterior choroidal artery (AChA) aneurysm and ischemic stroke presenting as a movement disorder in a young man. The mechanism for stroke in the AChA territory may either reflect a cause or an effect of aneurysm formation. We provide evidence for both arguments and speculate on the anatomic basis for the initial(More)
Prenatal MR findings of a case of extracranial capillary hemangioma simulating an encephalocele at sonography are reported. MR imaging had an adjunctive diagnostic role in excluding the possibility of an encephalocele. The capillary hemangioma had diffuse T2 hypointensity prenatally, which is atypical of postnatal imaging findings.
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