Definition

1. Adjective:
   • Relating to the nerves and muscles that cause the blood vessels to constrict or dilate: "Vasomotor" describes physiological processes, nerves, or activities that control the diameter of blood vessels, thereby regulating blood flow and blood pressure.

Usage

• The term "vasomotor" is a technical adjective used primarily in medical, physiological, and biological contexts. It modifies nouns to specify their role in controlling blood vessel tone.
• It is typically used in compound terms or specific phrases (e.g., vasomotor activity, vasomotor center). When used alone, it often functions attributively before a noun.

Examples

• Adjective:
  • The patient experienced vasomotor instability, leading to frequent hot flashes.
  • The vasomotor center in the medulla oblongata is crucial for regulating blood pressure.
  • Certain medications can affect vasomotor function, causing dizziness upon standing.

Advanced Usage

• "Vasomotor tone": The constant, partial state of contraction of blood vessels maintained by the autonomic nervous system.
  • A loss of vasomotor tone can result in a dangerous drop in blood pressure.
• "Vasomotor response": A change in the diameter of blood vessels in reaction to a stimulus (e.g., cold, stress, medication).
  • The cold water triggered a strong vasomotor response, causing his skin to pale.

Variants and Related Words

• Vasoconstriction (n): The narrowing of blood vessels, typically increasing blood pressure.
  • Vasoconstriction in the extremities helps conserve body heat.
• Vasodilation (n): The widening of blood vessels, typically decreasing blood pressure.
  • The drug induces vasodilation to treat hypertension.
• Vasomotor nerve (n phrase): A nerve, usually part of the autonomic nervous system, that transmits impulses controlling the contraction or relaxation of blood vessel walls.

Synonyms

• Angiomotor (adj): A less common synonym also relating to the movement or control of blood vessels. (Note: "Vasomotor" is the standard term in modern medical English.)

Related Phrases

• Vasomotor symptoms: A common phrase in clinical settings referring to symptoms like hot flashes and night sweats, often related to changes in blood vessel dilation, such as those occurring during menopause.
  • Hormone therapy can help alleviate severe vasomotor symptoms.

Adjective

1. relating to the nerves and muscles that cause the blood vessels to constrict or dilate