This classification is based on the way these drugs are used for the treatment of a particular condition. Inotropic, Chronotropic and Dromotropic are different types of cardiac drugs. This classification is based on the way these drugs are used for the treatment of a particular condition. Inotropic drugs affect the force of cardiac contraction. Chronotropic drugs affect the heart rate. Dromotropic drugs affect conduction velocity through the conducting tissues of the heart.
ectoparasite noun a parasite which lives on the skin or outer surface of its host but feeds by piercing the skin. Compare endoparasite
The parasite is the organism that benefits from the relationship, while the host is harmed by the relationship. Parasites can be a number of things including plants, animals and even viruses and bacteria.n ectoparasite is a parasite that lives on its host, an endoparasite is a parasite that lives within its host and an epiparasite is a parasite that feeds on another parasite. A social parasite is a special case of parasitism where the parasite takes advantage of the interaction between other organisms.