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2019-02-28

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cc-by-nc (c) e-Century Publishing, 2019
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/152803

Partial pressure of oxygen in the human body: a general review

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The human body is a highly aerobic organism, in which it is necessary to match oxygen supply at tissue levels to the metabolic demands. Along metazoan evolution, an exquisite control developed because although oxygen is required as the final acceptor of electron respiratory chain, an excessive level could be potentially harmful. Understanding the role of the main factors affecting oxygen availability, such as the gradient of pressure of oxygen during normal conditions, and during hypoxia is an important point. Several factors such as anaesthesia, hypoxia, and stress affect the regulation of the atmospheric, alveolar, arterial, capillary and tissue partial pressure of oxygen (PO2). Our objective is to offer to the reader a summarized and practical appraisal of the mechanisms related to the oxygen's supply within the human body, including a facilitated description of the gradient of pressure from the atmosphere to the cells. This review also included the most relevant measuring methods of PO2 as well as a practical overview of its reference values in several tissues.

Matèries

Oxigen en l'organisme, Teixit connectiu

Matèries (anglès)

Oxygen in the body, Connective tissue

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Articles publicats en revistes (Biologia Cel·lular, Fisiologia i Immunologia)

Citació

ORTIZ-PRADO, Esteban, et al. Partial pressure of oxygen in the human body: a general review. American Journal of Blood Research. 2019. Vol. 9, num. 1, pags. 1-14. ISSN 2160-1992. [consulted: 12 of August of 2026]. Available at: https://hdl.handle.net/2445/152803

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