Limbic system. Cross section of a human brain. Mammillary body, basal ganglia, pituitary gland, amygdala, hippocampus, thalamus, cingulate gyrus, corpus callosum, hypothalamus. Part of limbic system ...

The pineal gland gets its name from the Latin for pinecone – which is what this extremely small gland resembles. It is located deep within the brain – almost at the centre – and not above ...

Mikkelsen, J. D. et al. Hypocretin (orexin) in the rat pineal gland: a central transmitter with effects on noradrenaline-induced release of melatonin. Eur. J. Neurosci. 14, 419–425 (2001).

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MELATONIN is a hormone, isolated from beef pineal glands, that lightens the colour of frog melanocytes either after injection into the frog or after in vitro incubation with pieces of frog skin1 ...