Physiology · Sensory System · Hard
Rhodopsin
Meaning: The light-sensitive pigment in retinal rods that enables vision in dim light.
In practice: Vitamin A deficiency impairs rhodopsin production and causes night blindness.
Quick check
Two questions on related physiology words.
Which word means: The brain's ability to reorganise neural pathways in response to experience, learning, or injury.
Answer: Neuroplasticity
Which word means: The act of breathing air out of the lungs.
Answer: Expiration
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