Diencephalon is a part of fore brain. Diencephalon consist of three parts which are upper Epithalamus, middle Thalamus and lower Hypothalamus.
Difference between thalamus and hypothalamus
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Thalamus |
Hypothalamus |
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1) it is the middle part of diencephalon. |
1) it is the lower part of diencephalon. |
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2) it consist of two thalami which are interconnected by habenular commissure. |
2) it gives rise to a downward stalk called infundibulum to which pituitary gland is attached. |
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3) it is called Gatekeeper to the cerebrum because all sensory impulses pass to cerebrum through thalamus except olfactory impulse |
3) it acts as middle man between nervous and endocrine system |
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4) third ventricle/diocoel is present in diencephalon |
4) it secretes neurohormones like releasing factors and inhibiting factors and also secretes two hormones - ADH and Oxytocin |
