endogenous vasoactive substance
Certainly, let's discuss the topic of endogenous vasoactive agents: --- ## Endogenous Vasoactive Agents: Regulation of Blood Vessels Hello everyone, today we're delving into a fascinating aspect of the circulatory system—**endogenous vasoactive agents**. These agents are natural substances produced within the body that play a crucial role in regulating the diameter of blood vessels. Their actions have significant implications for blood pressure, blood flow, and overall cardiovascular health. Let's explore the key endogenous vasoactive agents and their effects. ### Introduction to Vasoactive Agents Vasoactive agents are compounds that exert an influence on the tone of blood vessels, either by causing them to constrict (vasoconstriction) or dilate (vasodilation). These agents play a pivotal role in maintaining the delicate balance of blood flow and pressure throughout the body. ### Key Endogenous Vasoactive Agents 1. **Nitric Oxide (NO):** Nitric oxide is one o