Hormones- Mechanism of Action, Regulation and Clearance – howMed
Hormones are chemical messengers, directly secreted into the blood or extracellular fluid, which bind specific receptors on target cells, to initiate a cascade of events within the cells, producing the effect. Mechanism of Action of Hormones: Hormone Receptors: Hormone receptors are membrane proteins which are specific for each hormone. Their sensitivity or responsiveness is determined […]






Absorption of Drugs – howMed
Absorption is the process by which drug molecules cross biological membranes. It is usually associated with oral drugs and their absorption through the GIT. It also occurs by subcutaneous, intra muscular and transdermal routes of administration of drugs. However, the absorptive process does not occur during direct injection of drug by intravenous or intra arterial […]