منابع مشابه
Leaky channels make weak muscles.
Mutations in the skeletal muscle voltage-gated calcium channel (CaV1.1) have been associated with hypokalemic periodic paralysis, but how the pathogenesis of this disorder relates to the functional consequences of mutations was unclear. In this issue of the JCI, Wu and colleagues recapitulate the disease by generating a novel knock-in CaV1.1 mutant mouse and use this model to investigate the ce...
متن کاملA modification of Graves' operation for epiphora due to stenosis of the lacrimal punctum.
SEVERAL years ago a description was published of a new technique in performing the three-snip operation to relieve epiphora due to stenosis of the lacrimal punctum (Graves, 1926). The method was to dilate the punctum, insert a small grooved director, place the back of a large Ziegler knife in the groove, and then, by pushing it inwards towards the nose, to incise the upper edge of the canalicul...
متن کاملManagement of childhood epiphora.
AIMS To examine the effectiveness of a management protocol for childhood epiphora using a joint ophthalmological and otolaryngological team approach. METHOD A temporally defined retrospective study of 70 children (92 eyes) undergoing surgery for persistent epiphora, despite two previous technically successful probing procedures. All the operations involved a joint approach involving a paediat...
متن کاملIschaemic necrosis of the anterior tibial muscles due to fatigue.
Ischaemic necrosis of the lower limb muscles is well recognised as a complication of injury and recorded cases show that, as in the upper extremity, isolated muscles or muscle groups may be affected (Bruce 1940, Parkes 1945, Wood Power 1945). Traumatic ischaemic necrosis of the anterior tibial group of muscles may thus occur ; but it is less widely appreciated that such necrosis may also arise ...
متن کاملUnusual causes of epiphora.
Case IX, a 54-year-old female, presented with a history of unilateral epiphora of 7 years' duration. There was no history of injury or of inflammation and the exact date of onset could not be determined. There was, however, a long history of chronic irritation for which drops of various kinds had been instilled over a period of many years. She had been seen previously when, after lacrimal syrin...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1959
ISSN: 0007-1161
DOI: 10.1136/bjo.43.6.332