VASOMOTOR SYSTEM Meaning and
Definition
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The vasomotor system refers to a complex network of nerves and blood vessels that regulate and control the diameter or constriction of blood vessels, thereby controlling blood flow and maintaining blood pressure in the body. It plays a crucial role in maintaining the balance between sufficient blood supply to various organs and tissues and conserving blood for essential functions.
The vasomotor system is controlled by the autonomic nervous system, specifically the sympathetic division. Within this system, certain nerve fibers are responsible for either constricting or dilating blood vessels, depending on the body's needs at any given time. When the body requires increased blood flow, such as during exercise or in response to an increase in body temperature, these nerves stimulate the smooth muscles in the blood vessel walls to relax and widen, also known as vasodilation. Conversely, when blood flow needs to be reduced, such as during periods of rest, these nerves constrict or narrow the blood vessels, known as vasoconstriction.
Dysfunction or imbalance in the vasomotor system can lead to various health conditions. For instance, if the blood vessels remain constricted for a prolonged period, it can result in high blood pressure or hypertension. On the other hand, inadequate vasoconstriction can cause low blood pressure or hypotension. Disorders of the vasomotor system can also contribute to conditions like Raynaud's disease, migraines, or even certain cardiovascular conditions.
Overall, the vasomotor system plays a vital role in maintaining optimal blood flow and blood pressure regulation, ensuring proper delivery of oxygen and nutrients to all parts of the body.
Common Misspellings for VASOMOTOR SYSTEM
- casomotor system
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Etymology of VASOMOTOR SYSTEM
The word "vasomotor" originates from two Latin roots: "vaso" meaning vessel, specifically the blood vessels, and "motor" meaning to move or act. Therefore, "vasomotor" can be translated as "vessel mover" or "vessel activator".
The term "vasomotor system" refers to the part of the nervous system that controls and regulates the diameter of blood vessels, influencing blood flow and blood pressure throughout the body. It is responsible for maintaining homeostasis in the cardiovascular system.
