Definition

Noun: - A physiological reflex: The automatic relaxation of the urethral sphincter muscle triggered by the sensation of increased pressure within the urinary bladder, which facilitates urination.

Usage

• This term is used in medical, biological, and physiological contexts to describe the specific involuntary neural response that initiates the process of voiding urine.
• It is a precise clinical term and is not typically used in everyday conversation.

Examples

• Noun:
  • The micturition reflex is coordinated by the spinal cord and brainstem.
  • Damage to certain nerves can disrupt the normal micturition reflex.

Advanced Usage

• "To trigger the micturition reflex": To cause the reflexive relaxation to occur.
  • A sufficiently full bladder will trigger the micturition reflex.
• "Integration of the micturition reflex": Refers to how this reflex is modulated by higher brain centers.
  • Voluntary control over urination involves the conscious inhibition of the micturition reflex.

Variants and Related Words

• Micturition (n): The act or process of urinating.
  • The patient reported pain during micturition.
• Voiding reflex: A less common synonym for micturition reflex.

Synonyms

• Voiding reflex: An alternative term for the same physiological process.

Related Phrases

• Bladder reflex: A more general term that can sometimes refer to the micturition reflex but may also encompass other bladder-related responses.

Noun

1. relaxation of the urethral sphincter in response to increased pressure in the bladder