Which of the following hormones is not secreted by pituitary gland ?

The correct answer is Melatonin.

Key Points

• The pituitary Gland is present below the hypothalamus.
• It is divided into 2 parts, viz. adenohypophysis and neurohypophysis.
• Adenohypophysis is called anterior pituitary and neurohypophysis is called posterior pituitary.
• It controls the secretion of most of the hormones.
• It secretes various hormones, like growth hormone, prolactin, thyroid-stimulating hormone, oxytocin, vasopressin, gonadotropin, etc.
• Melatonin hormone is produced by the brain in response to darkness.
• Melatonin production can be affected when someone is exposed to light in the darkness.
• Melatonin supplements may help with certain conditions, such as jet lag, delayed sleep-wake phase disorder, etc.