hyperoxia


Also found in: Encyclopedia.

hyperoxia

 [hi″per-ok´se-ah]
an abnormally increased supply or concentration of oxygen.

hy·per·ox·i·a

(hī'pĕr-ok'sē-ă),
1. An increased amount of oxygen in tissues and organs.
2. A greater oxygen tension than normal, such as that produced by breathing air or oxygen at pressures greater than 1 atmosphere.

hyperoxia

/hy·per·ox·ia/ (-ok´se-ah) an excess of oxygen in the system.hyperox´ic

hyperoxia

(hī′pər-ŏk′sē-ə)
n.
1. An excess of oxygen in tissues and organs.
2. A higher than normal oxygen tension, such as that produced by breathing air or oxygen at greater than atmospheric pressures.

hyperoxia

[-ok′sē·ə]
abnormally high oxygen tension in the blood.

hy·per·ox·i·a

(hī'pĕr-ok'sē-ă)
1. An increased amount of oxygen in tissues and organs.
2. A greater oxygen tension than normal.

hy·per·ox·i·a

(hī'pĕr-ok'sē-ă)
1. An increased amount of oxygen in tissues and organs.
2. A greater oxygen tension than normal.

hyperoxia (hī´pərok´sēə),

n an excess of oxygen in the system.

hyperoxia

an abnormally increased supply or concentration of oxygen.
References in periodicals archive ?
To identify Cys residue(s) required for hyperoxia-induced TRPA1 activation, we individually mutated each of the 29 Cys residues in human TRPA1 to serines and tested the responsiveness of these mutants to hyperoxia as well as to diallyl disulphide, which has a redox potential similar to that of [O.
Oxygen is a pulmonary vasodilator; however, hyperoxia and ventilation with 100% oxygen has been associated with a reduced response to NO in experimental lamb models)3,41 The aim of mechanical ventilation should be to maintain a PaC[O.
Postexercise decrease in arterial blood pressure, total peripheral resistance and in circulatory responses to brief hyperoxia in subjects with mild essential hypertension.
Hyperoxia inhibits new blood vessel formation by downregulating VEGF expression by astrocytes, limiting the hypoxic stimulus.
11) Vascular endothelial growth factor is essential for normal retinal vascular development and is affected by hypoxia and hyperoxia.
Factors contributing to relief of exertional breathlessness during hyperoxia in chronic airflow limitation.
Mice deficient of Nrf2 are highly susceptible to organ injury caused by toxic agents such as APAP, benzopyrene, hyperoxia, and diesel exhaust (Aoki et al.
Lung injury can also be modeled using hyperoxia and radiation treatment (Kayalar and Oztay 2014; Calik et al.
Evidences of oxidative stress induced by hyperoxia were reported in fish, that is, goldfish Carassius auratus (Lushchak et al.
In this direction, hypoxia and hyperoxia, considered as critical stressors in the aquatic environment, were tested in Cyprinus carpio, revealing that both conditions increase oxidative DNA damage by 25% when compared to normoxic conditions [144].