MICROANATOMY

Detailed explanation-1: -The pineal gland in humans is a small (100-150 mg), highly vascularized, and a secretory neuroendocrine organ (1). It is located in the mid-line of the brain, outside the blood-brain barrier and attached to the roof of the third ventricle by a short stalk.

Detailed explanation-2: -The hypothalamus secretes hormones that stimulate or suppress the release of hormones in the pituitary gland, in addition to controlling water balance, sleep, temperature, appetite, and blood pressure. Pineal body. The pineal body is located below the corpus callosum, in the middle of the brain.

Detailed explanation-3: -The pineal gland, conarium, or epiphysis cerebri, is a small endocrine gland in the brain of most vertebrates. The pineal gland produces melatonin, a serotonin-derived hormone which modulates sleep patterns in both circadian and seasonal cycles. The shape of the gland resembles a pine cone, which gives it its name.

Detailed explanation-4: -So, the correct answer is ‘In brain’.

Detailed explanation-5: -It is located within an area called the epithalamus, just behind the thalamus and above the cerebellum, resting at the back of the brain, near the brain stem.