microfibrils
The main muscle in the bladder is called the Detrusor muscle (which is a smooth muscle). it is circular.
The unit of alternating light and dark striations between Z lines in a muscle fiber is called a sarcomere. Sarcomeres are the functional units of muscle responsible for muscle contraction and relaxation.
No, smooth muscle is poorly organized and do not have the Z lines which are characteristic of sarcomeres.
smooth muscle
thick and thin bands (lines) of filaments.
Smooth muscle (involuntary)lines ducts and vessels.
The lines that extend the staff are called ledger lines.
The connective tissue that connects muscle to muscle is called fascia.
Botox actually paralyzes the muscle that it is injected into. If you ask the person to smile, they will not be able to use that muscle. Great care has to be taken as this is the deadliest toxin known.
It is called cardiac muscle, or myocardium.
strap Muscle
It is called involuntary muscle or smooth muscle.