Physiology · Endocrine System · Hard
Osmoreceptor
Meaning: A hypothalamic sensor that detects changes in blood concentration and triggers thirst and ADH release.
In practice: Rising plasma concentration stimulates osmoreceptor cells in the hypothalamus, causing thirst.
Quick check
Two questions on related physiology words.
Which word means: The breaking of large fat droplets into smaller ones by bile salts, aiding digestion by lipases.
Answer: Emulsification
Which word means: The ability of a cell to respond to a stimulus by generating an action potential.
Answer: Excitability
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