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
People who experience trouble breathing or other severe allergy symptoms may need epinephrine. An epinephrine injection can quickly reduce symptoms, giving the person time to seek emergency care. If you have severe allergies, your doctor might prescribe a shot of epinephrine to keep with you at all times.It could save your life in an emergency.pinephrine is a hormone produced by the adrenal glands; it produces the âfight or flightâ response. A tumor on the adrenal gland can cause symptoms similar to a panic attack. Watch Dr. Oz talk more about epinephrine and the adrenal gland.