While a plant-based meal would qualify as vegan (adjective), a person who follows a plant-based (vegan) diet is not necessarily a vegan (noun). For example, someone could follow a plant-based diet but still wear leather and have no moral issue with hunting or killing animals for food.
Ball-and-stick model of cimetidine, the prototypical H 2 -receptor antagonist. The H2 receptor antagonists are a class of drugs used to block the action of histamine on parietal cells (specifically the histamine H2 receptors) in the stomach, decreasing the production of acid by these cells.he H 2 antagonists are competitive antagonists of histamine at the parietal cell H 2 receptor. They suppress the normal secretion of acid by parietal cells and the meal-stimulated secretion of acid.
[famotâ²idÄn] an oral and parenteral antiulcer drug; an H2-receptor antagonist. indications It is prescribed in treatment of duodenal ulcer and pathological hypersecretory conditions, and for stress-ulcer prophylaxis. contraindications Famotidine should be used with caution in patients with impaired kidney function. adverse effects Among adverse effects reported are headache, dizziness, constipation, diarrhea, and temporary irritation of the injection site.