Glossary "G"

GEL:
A dermatologic vehicle. Semisolid emulsion that liquefies when applied to the skin.

GENETICS:
The branch of science concerned with heredity.

GLABELLA (glah BELL la):
The area between the eyebrows.

GLANS PENIS:
The head of the penis.

GLAUCOMA (glaw KOH muh):
Opacity of the crystalline lens of the eye.

GLUCOCORTICOID (GLUE koh KOR tih coyd):
One of the two basic types of adrenocortical hormones. Affects carbohydrate metabolism.

GLYCOPROTEIN (GLYE koh PRO teen):
Compound that contains proteins and carbohydrates. The basement membrane zone is composed of proteins and glycoproteins. The ground substance is also composed of glycoproteins.

GLYCOSAMIN-OGLYCANS (glye KOS AMEE no GLYE can):
Group of compounds that contains proteins and polysaccharides. Component of ground substance.

GRADE I ACNE:
Open comedones (blackheads) and closed comedones (whiteheads).

GRADE II ACNE:
Papules.

GRADE III ACNE:
Pustules.

GRADE IV ACNE:
Nodules and cysts.

GROIN (inguinal crease):
The crease between the torso and the thigh.

GROUND SUBSTANCE:
Viscous elastic gel which fills in the spaces between the collagen and elastin fibers in the dermis.

GUTTATE (GUT tate):
A type of psoriasis. In guttate psoriasis there are numerous small lesions that look like little drops scattered across the skin.

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