MICROANATOMY

Detailed explanation-1: -At a cellular level, smooth muscle can be described as an involuntary, non-striated muscle . Smooth muscle consists of thick and thin filaments that are not arranged into sarcomeres giving it a non-striated pattern. On microscopic examination, it will appear homogenous.

Detailed explanation-2: -Smooth muscle cells are spindle shaped, have a single, centrally located nucleus, and lack striations. They are called involuntary muscles. Cardiac muscle has branching fibers, one nucleus per cell, striations, and intercalated disks.

Detailed explanation-3: -Smooth muscle and Cardiac muscles are involuntary muscles which are found in organs where voluntary movement is impossible, like the alimentary canal or the heart.

Detailed explanation-4: -smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification.