Another histological difference between cardiac muscle and skeletal muscle is that the T-tubules in the cardiac muscle are bigger and wider and track laterally to the Z-discs. There are fewer T-tubules in comparison with skeletal muscle.The diad is a structure in the cardiac myocyte located at the sarcomere Z-line.n isolated cardiac muscle cell, beating. Cardiac muscle (heart muscle) is involuntary striated muscle that is found in the walls and histological foundation of the heart, specifically the myocardium.
What is the chemical formula for aspirin? Aspirin is a white crystalline powder with a melting point of 135Â°C. The common chemical name for aspirin is acetylsalicylic acid. Its systematic name is 2-(acetyloxy)benzoic acid. The chemical formula of aspirin is C9H8O4 and the atoms are arranged according to the following diagram. Structural formula of aspirin. An expanded structural diagram of aspirin.
Possible impurities. The systematic name of aspirin is 2-ethanoylhydroxybenzoic acid. We usually make it by the esterification of 2-hydroxybenzoic acid (salicylic acid) using ethanoic anhydride and a catalyst such as concentrated sulphuric acid or phosphoric acid.