After reading this article you will learn about the various drugs acting on gastrointestinal tract. Sialagogues: Sialagogues or sialics are the salivary stimulants which increase the volume and fluidity of saliva. Uses: (i) Iatrogenic (drug-induced) hypoptyalism. (ii) Xerostomia (dryness of the mouth due to lack of normal secretion) resulting from other causes such as radiotherapy of the buccal cavity and [...]
This article will help you to differentiate between gonadotrophins and antigonadotrophins. Difference # 1. Gonadotrophins: Gonadotrophins are secreted primarily from Anterior pituitary gland, while gonadotrophin like substances are secreted from endometrial cups of pregnant mares and chorionic villi of human placenta. Those secreted from pituitary are known as pituitary gonadotrophins (p-Gn) while those obtained from other sources are called Anterior [...]
After reading this article you will learn about the classification of vasodilators. Classification: 1. Organic nitrates: (i) Nitroglycerin (glyceryl trinitrate) (ii) Amyl nitrite (iii) Isosorbide di-nitrate (iv) Erythrityl tetra nitrate (v) Pentaerythritol tetra nitrate 2. Arterial Vasodilators: (i) Hydralazine (ii) Minoxidil (iii) Diazoxide 3. Arterial and venous vasodilators: (i) Sod. nitroprusside (ii) Prazosin (iii) Terazosin (iv) Doxazosin Nitrates: Nitrates relax [...]