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Amphibious mangrove killifish, Kryptolebias marmoratus (formerly Rivulus marmoratus), are frequently exposed to aerial conditions in their natural environment. We tested the hypothesis that gill structure is plastic and that metabolic rate is maintained in response to air exposure. During air exposure, when gills are no longer functional, we predicted that(More)
A 69-year-old man presented with intestinal obstruction and peritonism. Chest and abdominal X-rays showed massive pneumoperitoneum with large bowel obstruction (Figs. 1, 2). Exploratory laparotomy revealed closed loop obstruction secondary to sigmoid volvulus with extensive pneumatosis cystoids intestinalis of non-dilated small bowel (Figs. 3, 4), without(More)
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