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
  parsites are of two types-ectoparasites and endoparasites............... endoparasites are those parasites which live inside the body of its host.ectoparasites are â¦ those parasites which live outside the body of the host.ndoparasites take up the food that the host eats as they live inside the body of the host. eg-worms inside the stomach take up the digested food from the stomach.