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Failure of the barrier may occur in a pulmonary barotrauma.This can be a result of several possible causes, including blast injury, swimming-induced pulmonary edema, and breathing gas entrapment or retention in the lung during depressurization, which can occur during ascent from underwater diving or loss of pressure from a pressurized vehicle, habitat or pressure suit.
An increase in carbon dioxide causes tension of the arteries, often resulting from increased CO 2 output (hypercapnia), indirectly causes the blood to become more acidic; the cerebrospinal fluid pH is closely comparable to plasma, as carbon dioxide easily diffuses across the blood–brain barrier.
Blood levels of oxygen become important in hypoxia. These levels are sensed by central chemoreceptors on the surface of the medulla oblongata for decreased pH (indirectly from the increase of carbon dioxide in cerebrospinal fluid ), and the peripheral chemoreceptors in the arterial blood for oxygen and carbon dioxide.
Blood-testis barrier, the biological barrier between blood and testes; Blood-placental barrier, the biological barrier between a pregnant individual's blood and foetal blood (blood of one or more foetuses) Blood-CSF barrier, the biological barrier between blood and cerebrospinal fluid (CSF; also called brain fluid) Blood–spinal cord barrier ...
The main intravascular fluid in mammals is blood, a complex mixture with elements of a suspension (blood cells), colloid , and solutes (glucose and ions). The blood represents both the intracellular compartment (the fluid inside the blood cells) and the extracellular compartment (the blood plasma). The average volume of plasma in the average ...
Diffusing capacity of the lung (D L) (also known as transfer factor) measures the transfer of gas from air in the lung, to the red blood cells in lung blood vessels. It is part of a comprehensive series of pulmonary function tests to determine the overall ability of the lung to transport gas into and out of the blood.
The cerebrospinal fluid (CSF) within the skull and spine provides further protection and also buoyancy, and is found in the subarachnoid space between the pia mater and the arachnoid mater. [citation needed] The CSF that is produced in the ventricular system is also necessary for chemical stability, and the provision of nutrients needed by the ...
Surfactant protein B is an essential lipid-associated protein found in pulmonary surfactant.Without it, the lung would not be able to inflate after a deep breath out. [5] It rearranges lipid molecules in the fluid lining the lung so that tiny air sacs in the lung, called alveoli, can more easily inflate.