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Chemical mediators of the complement system cause mast cells to release their histamine-containing granules. This results in vasodilation and increase in permeability of the blood vessels leading to an increase in emigration.

This patient presents to the clinic with this bluish/red raised area on his lip. He stated it has been there for as long as he can remember. The area is asymptomatic and blanches under pressure. Your diagnosis is:

Another term for geographic tongue is:

Another term for geographic tongue is:

Because oral squamous cell carcinoma is an epithelial neoplasm, health care professionals know to look for surface changes. The following surface changes are usually present:

 Pituitary hyperfunction is a characteristic of which of the following diseases?

Teeth in snowcapped amelogenesis imperfecta have:

Teeth in snowcapped amelogenesis imperfecta have:

The most SERIOUS side effect of radiation therapy of the head and neck is:

Severe dysplasia involving the full thickness of the epithelium and no invasion of the abnormal epithelial cells through the basement membrane into the underlying connective tissue is called: