The cytoskeleton provides support in a cell. It is a network of protein fibers supporting cell shape and anchoring organelles within the cell. The three main structural components of the cytoskeleton are microtubules (formed by tubulins) , microfilaments (formed be actins) and intermediate filaments.
epinephrine binds to beta 2 receptors to relax airway smooth muscle and relaxes larger arteries to supply more blood to metabolizing tissues What is theophylline? an inhibitor of phosphodiesterase so it will potentiate the effect of epinephrine and inhibit cAMP breakdown to relax smooth muscle
A Lifesaving Drug. Epinephrine pens, or EpiPens, can be lifesaving tools. The epinephrine (also called adrenaline) is a cardiac stimulant and is used for severe allergic reactions of all types, including food, drug, insect bites, and stings.Prescribed to those for whom the risk of anaphylactic shock due to allergic reaction is very high, it comes in the form of an auto-injector or âpenâ.he epinephrine (also called adrenaline) is a cardiac stimulant and is used for severe allergic reactions of all types, including food, drug, insect bites, and stings. Prescribed to those for whom the risk of anaphylactic shock due to allergic reaction is very high, it comes in the form of an auto-injector or âpenâ.