Melatonin In the Pineal Gland & Elsewhere
The pineal gland is a bioclock sensitive to the Sun’s photoperiodic radiation. This tiny gland, shaped like a pine cone, is a neuroendocrine transducer that converts nervous system transmissions into hormonal messages via the synthesis and secretion of melatonin. The dawn’s early light is bright enough to act as a time cue that entrains us…