Scirrhus. Stony hardness, characteristic of cancer.

Sclerotic coat. The hard, pearly white covering of the eye.

Scorbutic. Producing scurvy, a disease caused by improper or insufficient food.

Scorbutus. Scurvy.

Scrofulous. Suffering from a condition of the system characterized by enlargement of the glands, eruptions, etc., with great susceptibility to contagion.

Scrotum. The bag of skin which covers the testicles.

Scurvy. A disease due to impaired nutrition.

Sea Tangle. A water-plant, which in its dried state is introduced into a canal and dilates the canal as it expands by the absorption of moisture.

Sebaceous Glands. The oil-tubes of the skin. Illus. [page 71].

Secretion. The process by which substances are separated from the blood.