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What stimulates ventrciular myocardium?
heart contraction
Which layer of the heart is responsible for contraction and relaxation?
Myocardial layer
Which layer of the heart is responsible for contraction in order to pump blood?
myocardium
Which hormone stimulates contraction of the myometrium?
Prostaglandin
Which hormone stimulates contraction of myometrium?
Oxytocin
Which of these stimulates the contraction of the gallbladder?
cholecystokinin (CCK)
What is the medical term meaning a hormone that stimulates contraction of the uterus during labor?
The medical term for a hormone that stimulates contraction of the uterus during labor is oxytocin.
What chemical stimulates muscle contraction?
acetylcholine (ACh)
What is the muscular portion of the cardiac wall?
The muscular portion of the cardiac wall is called the myocardium. It is responsible for contracting and pumping blood throughout the body. The myocardium is made up of cardiac muscle cells that are interconnected to allow for coordinated contraction of the heart.
What are Irregular ridges and folds of the myocardium called?
Irregular ridges and folds of the myocardium are called trabeculae carneae. These structures help to increase the surface area of the ventricles, allowing for more efficient contraction and pumping of blood.
What can decrease the cardiac output?
The cardiac output can be decreased by decreasing the force of contraction of the ventricular myocardium and decreasing the heart rate.
In a muscle fibre, the key intracellular event that stimulates muscle contraction is known as ?
depolarisation
