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Blood-Air Barrier

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Definition: The barrier between capillary blood and alveolar air comprising the alveolar EPITHELIUM and capillary ENDOTHELIUM with their adherent BASEMENT MEMBRANE and EPITHELIAL CELL cytoplasm. PULMONARY GAS EXCHANGE occurs across this membrane.  coord IM with endogenous substance /metab (IM) or exogenous substance /pharmacokin (IM)   
See Also Capillary Permeability; Pulmonary Gas Exchange 		Other names Alveolocapillary Membrane; Air-Blood Barrier; Membranes, Alveolocapillary; Membrane, Alveolocapillary; Blood-Air Barriers; Blood Air Barrier; Barriers, Blood-Air; Barriers, Air-Blood; Barrier, Blood-Air; Barrier, Air-Blood; Alveolocapillary Membranes; Air-Blood Barriers; Air Blood Barrier

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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