Which circumventricular organ contains osmosensory neurons?
A) Subfornical organ
B) Organum vasculosum of the lamina terminalis (OVLT)
C) Periventricular organ
D) Area postrema

Question

Quizplus · Accepted Answer

The organum vasculosum of the lamina terminalis (OVLT) contains osmosensory neurons, which detect changes in osmotic pressure in the blood and help regulate fluid homeostasis. The other circumventricular organs listed (subfornical organ, periventricular organ, and area postrema) have other functions such as regulating hormone release or detecting toxins in the blood.

Which Circumventricular Organ Contains Osmosensory Neurons