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
Ectoparasites. Parasites that live on the body surface of an organism are known as ectoparasites or external parasites. These parasites can be often found in both plants and animals. Ectoparasites either suck blood (animal parasites) or juices (plant parasites) or feed on living tissue.ctoparasites. Parasites that live on the body surface of an organism are known as ectoparasites or external parasites. These parasites can be often found in both plants and animals. Ectoparasites either suck blood (animal parasites) or juices (plant parasites) or feed on living tissue.