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Hematoma - A pocket of blood, or a clot, in the body. Following surgery, larger hematomas need to be removed since they can become infected.
Hemangioma - A type of birthmark characterized by concentrations of small blood vessels. They commonly referred to as strawberry marks and often disappear after a few months or years.
Hypodermis - The fatty layer of skin, home of sweat glands and fat and collagen cells. The hypodermis conserves your body's heat and protects your vital inner organs.
Hyperpigmentation - A skin condition in which there is excessive pigmentation, often seen as dark spots on the skin such as café-au-lait spots.
Hypertrophic scar - A raised and red scar, similar to a keloid scar, but different in that it stays within the boundaries of the injury site.
Hypopigmentation - A skin condition in which there is a lack of pigmentation