[Gas exchange and blood indices in thyroid gland dysfunction].
An exposure of intact rats to a hyperoxic atmosphere of 2 atm for one hour a day during 20 days induced no changes in the gas exchange or hemoglobin and red blood cells content. The concentration of free radicals tended to decline. Thyroidectomized rats kept in a normoxic atmosphere showed anemia and gas exchange decrease. The concentration of free radicals in the tissues declined slightly. These parameters returned to the norm after the hyperoxybaric exposure. During a normoxic exposure thyroxine injections accelerated gas exchange, producing no significant changes in the red blood composition. The free-radical activity tended to increase. After a hyperoxybaric exposure similar changes took place.
D000818:Animals; D001774:Blood Chemical Analysis; D001923:Brain Chemistry; D004578:Electron Spin Resonance Spectroscopy; D004906:Erythrocyte Count; D005260:Female; D005609:Free Radicals; D006454:Hemoglobins / Q000032:analysis*; D007668:Kidney / Q000032:analysis; D008099:Liver / Q000032:analysis; D008168:Lung / Q000032:analysis; D009132:Muscles / Q000032:analysis; D009206:Myocardium / Q000032:analysis; D010100:Oxygen / Q000506:poisoning*; D010101:Oxygen Consumption; D051381:Rats; D013154:Spleen / Q000032:analysis; D013961:Thyroid Gland / Q000502:physiology*; D013965:Thyroidectomy
D005609:Free Radicals; D006454:Hemoglobins; D010100:Oxygen
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