Autacoids

Autacoids are local chemical messengers involved in physiological and pathological processes.

Histamine and 5-Hydroxytryptamine (Serotonin)

Prostaglandins, Leukotrienes, and Platelet activating factor

<p>Plasma kinins (Bradykinin and Kallidin) and Angiotensin</p> Signup and view all the answers

<p>Histamine causes marked dilation of smaller blood vessels, including arterioles, capillaries, and venules.</p> Signup and view all the answers

<p>Histamine receptor subtypes</p> Signup and view all the answers

<p>Marked dilation of smaller blood vessels including arterioles, capillaries, and venules</p> Signup and view all the answers

<p>Blushed area, heat, increased heart rate and cardiac output, with little or no fall in BP</p> Signup and view all the answers

<p>Fall in BP having a short-lasting H1 and a slow but more persistent H2 component</p> Signup and view all the answers

<p>Bradykinin, Kallidin</p> Signup and view all the answers