Question

Differentiate between Thalamus and Hypothalamus.

Answer 1

	Thalamus	Hypothalamus
1.	It is located on both the right and left sides of the third ventricle.	It is located on the floor of the third ventricle.
2.	Each thalamus functions as a relay centre for sensory impulses, with the exception of smell, as a reflex centre for muscular and glandular activity, and as a perceiving centre for primitive sensations such as extremes of heat, cold, pain, etc.	The hypothalamus contains centres for maintaining homeostasis by regulating body temperature, heart rate, water balance, and blood pressure, controlling appetite, thirst, sexual arousal, and feelings of pain, pleasure, anger, and fear, and governing the hypophysis.
3.	It is connected to the cerebrum.	It remains connected to the base of the thalamus.
4.	These contain small groups of nerve cells.	These contain about a dozen large groups of nerve cells.