OVERSEAS / COLLECTION CNRI / SCIENCE PHOTO LIBRARY OVERSEAS / COLLECTION CNRI / SCIENCE PHOTO LIBRARY
Pineal gland, light micrograph. The pineal gland is a small endocrine gland located near to the centre of the brain, between the two hemispheres. It produces melatonin, a hormone that affects the modulation of wake/sleep patterns and photoperiodic (seasonal) functions.
Model release not required. Property release not required.