Head with a cerebral artery time bomb.

Orthopedic supports/devices for wrist and hand disorders/injuries.

Medical illustration showing carpal tunnel syndrome, caused by compression of the median nerve in the carpal tunnel. Inset shows pattern of pain, numbness, or tingling in fingers and palm.

Medical illustration showing balloon angioplasty, atherosclerosis. Atherosclerosis is the thickening and loss of elasticity of the arterial walls.Coronary heart disease is usually a result of atherosclerosis.

Illustration depicting lower back pain, showing a side view of the vertebrae and a hand touching the lower back.

Drug and substance abuse concept.

Rheumatoid arthritis.

Neurotransmitters being fired by a neuron in the brain.

Shoulder with bone trauma and diagnostic images.

Medical illustration showing subarachnoid hemorrhage.

Shoulder trauma: clavicle fracture and dislocation, rotator cuff tear (inset).

Medical illustration showing chemical inhibition of cancer cell activity. Many different chemicals are being used today to counter cancer cell activity, a treatment known as chemotherapy.

Medical illustration of clinical OB/GYN showing chronic pelvic pain, ectopic pregnancy, and surgical treatment of cervical cancer.

Memory storage in neurons.

Illustration of a ruptured artery (left) and a blocked artery (right), two causes of stroke.

Asthma medications and fetal effects.

Illustration depicting communication between brain cells in a neural network.

Various sexually transmitted diseases. Diseases illustrated by their causative agents include gonnorhea (Neisseria gonorrhoeae), top right; trichomoniasis (Trichomonas vaginalis), bottom left; candidiasis (Candida albicans), center; and amebiasis (Entamoeba histolytica), top left.

Businessman pulling open his shirt to reveal his heart.

Spasming artery causing migraine headache.