JACOPIN / SCIENCE PHOTO LIBRARY JACOPIN / SCIENCE PHOTO LIBRARY
HORMONE, ILLUSTRATION The hormonal glands. Illustration of the positions of the hormonal glands in an active male child's silhouette. From top to bottom: - pituitary gland - thyroid gland - thymus gland - adrenal glands - pancreas - testicles (- ovaries in square insert to left, corresponding to a female subject).
Model release not required. Property release not required.