| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
|
| D009566 |
Nitrates |
Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. |
Nitrate |
|
| D009573 |
Nitrites |
Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M |
Nitrite |
|
| D009602 |
Nitrosamines |
A class of compounds that contain a -NH2 and a -NO radical. Many members of this group have carcinogenic and mutagenic properties. |
Nitrosamine |
|
| D005745 |
Gastric Acidity Determination |
Gastric analysis for determination of free acid or total acid. |
Acidity Determination, Gastric,Acidity Determinations, Gastric,Determination, Gastric Acidity,Determinations, Gastric Acidity,Gastric Acidity Determinations |
|
| D005750 |
Gastric Juice |
The liquid secretion of the stomach mucosa consisting of hydrochloric acid (GASTRIC ACID); PEPSINOGENS; INTRINSIC FACTOR; GASTRIN; MUCUS; and the bicarbonate ion (BICARBONATES). (From Best & Taylor's Physiological Basis of Medical Practice, 12th ed, p651) |
Gastric Juices,Juice, Gastric,Juices, Gastric |
|
| 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 |
|
| D013272 |
Stomach Diseases |
Pathological processes involving the STOMACH. |
Gastric Diseases,Disease, Gastric,Disease, Stomach,Diseases, Gastric,Diseases, Stomach,Gastric Disease,Stomach Disease |
|