Glossary "N"

NASOLABIAL CREASE (NAY so LAY bee al):
Creases on the sides of the lower part of the nose.

NAVEL:
Belly button, umbilicus.

NEONATAL ACNE:
Affects one in five newborns with closed comedones and sometimes papules and pustules; disappears in 4 to 6 weeks; not a precursor sign of severe acne in the future.

NEOPLASM (NEE oh plazm):
Abnormal growth characterized by uncontrolled cellular proliferation.

NEUTROPHIL (NEW troh fill):
Type of white blood cell.

NEW DRUG APPLICATION:
Application filed with the Food and Drug Administration to obtain approval to market a prescription drug.

NODULE (NOJ yule):
Solid deep-seated mass located in the dermis or subcutaneous tissue which produces an elevation on the skin surface. Nodules are often described as marble-like. In acne, lesions are tender, hot, and firm, and leave scars.

NON-ACNEOGENIC (non ack knee o jen ic):
Literally it means "does not cause acne".

NONCOMEDOGENIC (non coh mee dough jen ic):
Literally it means "does not cause comedones (whiteheads/blackheads)".

NONIONIC (non eye ON ik):
When discussing shampoos, a nonionic surfactant is a mild cleanser with good conditioning properties.

NUMMULAR DERMATITIS (NUM mu lar DUR muh TIE tis):
Chronic condition characterized by coin shaped eczematous plaques and pruritus. Lesions occur on the hands, forearms, lower legs, and buttocks.

NURSE PRACTITIONER:
Nurse with additional training who takes a more active role in clinical care.

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