منابع مشابه
Bloody Funny Wasps
Following review of formicid characters a new model for evolution of ant eusociality is presented. This “semisocial ancestry hypothesis” has the following steps: (1) Ants are descended from a solitary wasp which accumulated and collectively reared its brood in acellular nests (without individual brood cells). Metapleural glands delivering antibiotic compounds evolved in adults as a correlated a...
متن کاملIdiopathic Bilateral Bloody Tearing
Bloody tear is a rare and distinct clinic phenomenon. We report a case presenting with the complaint of recurrent episodes of bilateral bloody tearing. A 16-year-old girl presented to our clinic with complaint of bloody tearing in both eyes for 3 months. Bloody tearing was not associated with her menses. A blood-stained discharge from the punctum was not observed during the compression of both ...
متن کاملA Bloody Mystery
From the Clinical Pathological Conference Series, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston (J.M.C., J.T.K., B.D.L., J.L.); and the Department of Medicine, Division of Hematology/ Oncology, University of Pennsylvania, Philadelphia (A.C.). Address reprint requests to Dr. Loscalzo at the Department of Medicine, Brigham and Women’s Hospital, Harvard Medic...
متن کاملInside bloody lymphatics.
The main function of the lymphatic vessels is to return excess tissue fluid to the blood circulation. Other functions include antigen monitoring via the sieving function of the lymph nodes, and dietary lipid transport in chylomicrons via the intestinal lymph vessels.1 For the lymphatic vascular system to operate efficiently, the lymphatic vessels must separate from the blood vessels during deve...
متن کاملAbout Time
The concept of time is discussed in the context of the canonical formulation of the gravitational field. Using a hypersurface orthogonal foliation, the arbitrariness of the lapse function is eliminated and the shift vector vanishes, allowing a consistent definition of time. I. ON LAPSES AND SHIFTS As it well know, the space-time of Newtonian mechanics is foliated by globally defined 3-dimension...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2014
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.1140090