Cutaneous Skin Lesions - Lesson 252
In this post we are going to learn some more lesions. 11. Ecchymosis: - On the skin a bluish-black mark (macule) present. Ecchymoses(in which ec- means out, chym/o means to pour) into the skin from injury which are caused by the hemhorrhages or spontaneous leaking of blood from vessels. The plural of Ecchymosis is Ecchymoses. 12. Petechia: - It is a small, pinpoint hemorrhage. Petechiae are smaller versions of ecchymoses. The plural of petechia is petechiae. 13. Pruritus: - This means itching. Pruritus is associated with most forms of dermatitis and with other conditions as well. It arises as a result of stimulation of nerves in the skin by enzymes released in allergic reactions or by irritation caused by substances from the blood or from foreign bodies. 14. Purpura: - Merging ecchymoses and petechiae over, any part of the body. 15. Urticaria (hives): - It is an acute allergic reaction in which red, round wheals develop on the skin. Pruritus may be intense, and etiol