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Some hematomas are visible under the surface of the skin (commonly called bruises) or possibly felt as masses or lumps. Lumps may be caused by the limitation of the blood to a sac, subcutaneous or intramuscular tissue space isolated by fascial planes. This is a key anatomical feature that helps prevent injuries from causing massive blood loss.
Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration. The bruise then remains visible until the blood is either absorbed by tissues or cleared by immune system action. Bruises which do not blanch under pressure can involve capillaries at the level of skin, subcutaneous tissue, muscle, or bone ...
But to first make clear what a bruise is: It’s the result of a broken blood vessel (a.k.a. capillary) which causes a leakage and collection of blood under the skin’s surface, explains Riza ...
Blood blisters can also arise from forcible human contact, including grappling. Blood blisters also may occur with friction caused by constant rubbing of skin against a surface. Ill-fitting shoes that rub on the skin can cause the blood vessels in the skin to break and form a blood clot under the skin, resulting in a blood blister.
Purpura (/ ˈ p ɜːr p jʊər ə / [1]) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. [2]
Hematomas (or blood tumor) – caused by damage to a blood vessel that in turn causes blood to collect under the skin. [citation needed] Hematomas that originate from internal blood vessel pathology are petechiae, purpura, and ecchymosis. The different classifications are based on size. [citation needed]
A hickey, hickie, or sometimes referred to as a love bite in British English, is a bruise or bruise-like mark caused by biting or sucking the skin of a person, usually on their neck, arm, or earlobe. [ citation needed ] While biting may be part of giving a hickey, sucking is sufficient to burst small superficial blood vessels under the skin to ...
Rosacea. What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center.Easy flushing, a stinging sensation, and small, pus-filled pimples are other common ...