Dictionary.net

any of several blood diseases causing subcutaneous bleeding

any of several blood diseases causing subcutaneous bleeding

A genus of marine gastropods, usually having a rough and thick shell. Some species yield a purple dye.

Purplish or brownish red discoloration, easily visible through the epidermis, caused by hemorrhage into the tissues.

An affection characterized by hemorrhage into the skin, the color being at first red, becoming gradually darker, then purple, fading to a brownish yellow, and finally, in the course of two or three weeks, disappearing; it may result in a permanent pigmentation; extravasations occur also into the mucous membranes and internal organs.

Livid cutaneous patches, with general debility; scurvy.

A genus of gasteropodous molluses, one species of which yielded the Tyrian purple; a morbid condition of the blood vessels, leading to extravasations of blood upon the skin and mucous membrane.

This word has been employed in many senses. It generally means, livid spots on the skin from extravasated blood, with languor and loss of muscular strength, pains in the limbs.

A disease characterized by formation of purple patches on the skin and in the mucous membranes.

Syn.: land scurvy. A cutaneous affection characterized by hemorrhages into the skin. It is not a disease, but a symptom of various disturbances, and when used without qualification signifies a hemorrhagic eruption.