Computer illustration of a blue eye.

Medical illustration of a normal heart with inset showing myocardial tissue.

Fetus in womb.

Exterior of eyeball as seen from above showing retinal blood vessels.

Transparent brain from lower 3/4 view.

Glossy brain from 3/4 front view.

White, glossy brain from 3/4 front view.

Transparent brain from lower 3/4 view.

Glass brain viewed from the side.

Illustration of the heart and major arteries of the cardiovascular system inside a glass figure.

Conceptual illustration of blood circulation within glass blood vessels.

Medical illustration showing male figure with golden brain and spinal cord.

Medical illustration of the kidneys, urinary bladder and the ureter (urinary system) inside a glass figure of a male body.

Medical illustration of transparent arteries.

Medical illustration showing lung alveoli.

Glass male figure running between lungs.

Female figure showing the major organs of the endocrine system. This illustration highlights various hormone-producing glands: the hypothalamus, pineal gland, and pituitary gland in the head; the thyroid and parathyroid glands in the neck; the adrenal glands and pancreas in the abdomen; the ovaries, fallopian (uterine) tubes, and uterus in the pelvic region.

Illustration of the circulatory system of the legs inside a glass figure.

Glass liver with blood vessels.

Illustration showing metallic looking lungs.