Physiology · Nervous System · Easy
Reflex
Meaning: An involuntary, near-instantaneous motor response to a specific sensory stimulus.
In practice: The patellar reflex tests the integrity of the L3-L4 spinal cord segments.
Quick check
Two questions on related physiology words.
Which word means: A decrease in membrane potential, triggering a nerve or muscle action potential.
Answer: Depolarisation
Which word means: The ability of the body to maintain a stable internal temperature.
Answer: Thermoregulation
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