| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
|
| D009458 |
Neuroleptanalgesia |
A form of analgesia accompanied by general quiescence and psychic indifference to environmental stimuli, without loss of consciousness, and produced by the combined administration of a major tranquilizer (neuroleptic) and a narcotic. |
Neuroleptoanalgesia |
|
| D010100 |
Oxygen |
An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. |
Dioxygen,Oxygen-16,Oxygen 16 |
|
| D004986 |
Ether |
A mobile, very volatile, highly flammable liquid used as an inhalation anesthetic and as a solvent for waxes, fats, oils, perfumes, alkaloids, and gums. It is mildly irritating to skin and mucous membranes. |
Diethyl Ether,Ether, Ethyl,Ethyl Ether,Ether, Diethyl |
|
| D005019 |
Ethyl Ethers |
Organic compounds having ethyl groups bound to an oxygen atom. |
Ethoxy Compounds,Compounds, Ethoxy,Ethers, Ethyl |
|
| D005609 |
Free Radicals |
Highly reactive molecules with an unsatisfied electron valence pair. Free radicals are produced in both normal and pathological processes. Free radicals include reactive oxygen and nitrogen species (RONS). They are proven or suspected agents of tissue damage in a wide variety of circumstances including radiation, damage from environment chemicals, and aging. Natural and pharmacological prevention of free radical damage is being actively investigated. |
Free Radical |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
|
| D000368 |
Aged |
A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. |
Elderly |
|
| D000770 |
Anesthesia, Endotracheal |
Procedure in which an anesthetic such as a gas or mixture of gases is inhaled through a tube into the lungs. |
Anesthesia, Intratracheal,Endotracheal Anesthesia,Intratracheal Anesthesia,Anesthesias, Endotracheal,Anesthesias, Intratracheal,Endotracheal Anesthesias,Intratracheal Anesthesias |
|