منابع مشابه
Commentaries on viewpoint: unresolved mysteries.
TO THE EDITOR: Mysteries remain unresolved if the approach is misconceived. In this Viewpoint (3) alveoli are considered as structures sui generis—but they are not. Alveoli are rather air pockets within the ingenious architecture of a fiber continuum designed to expose capillary networks over a large surface to air refreshed from alveolar ducts (4). This fiber continuum spans from the periphera...
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TO THE EDITOR: We thank those colleagues (see Ref. 1) who have taken the time to comment on our Viewpoint. Our interpretation of these comments is that there is general agreement that there remain uncertainties about how peripheral lung structure changes with lung inflation and deflation. We focused on a simple experiment that measured a mean linear dimension in the peripheral lung, and althoug...
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Worldwide, there are nearly 10 million new cases of active TB and 1.8 million associated deaths every year. WHO estimates that one-third of the world's population is infected with Mycobacterium tuberculosis (Mtb), forming a huge latent Mtb global reservoir. This renders the prospect of ever eliminating Mtb from the human race almost impossible. Several controversial issues regarding host-pathog...
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in vitro and in vivo can be attributed to crowding? The answer to this question depends upon the particular reaction and the microscopic environment in which the reaction is taking place. Early demonstrations of the large effect of crowding on association equilibria and rates were based upon studies of the behavior of mutant and normal hemoglobins in erythrocytes. Hemolysate is a fairly simple ...
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Aquatic, motile bacteria that orient and rate along geomagnetic field Iines,known as gnetotactic bacteria, were discovered three de cades ago by Richard P. Blakemore, then a uate student at the University of Massachusetts at Amherst, Initially considered a mere osity, these bacteria have gained celebrity tus as well as deeper respect among scientists, engineers, and the general public. Thus, ma...
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ژورنال
عنوان ژورنال: Journal of Applied Physiology
سال: 2012
ISSN: 8750-7587,1522-1601
DOI: 10.1152/japplphysiol.00545.2012