Nail and Skin Terminology Quiz

Study Notes

Nail and Skin Terminology

Onychia: Refers to infections affecting the nail and surrounding tissue.
Eponychium: Part of nail anatomy that may overlap the lunula, potentially hiding it.
Onychosis: General term for deformity or disease related to the nails.
Hypodermis: The lowest layer of the integumentary system, providing insulation and cushioning.
Adipose or subcutis tissue: Fatty tissue beneath the skin that enhances body contour and smoothness.

Hair Structure and Treatment

Cortex: The middle layer of the hair shaft where melanin is located, influencing hair color.
Anagen: The normal growth phase of hair, important for understanding hair cycling.
Guanidine relaxers: Type of hair relaxer that is milder for the scalp but harsher on the hair compared to sodium hydroxide.
Hydrogen peroxide: Used as a pre-softener for resistant or gray hair before coloring treatments.

Hair Techniques and Products

Croquignole: A perm wave wrapping technique where hair is rolled from ends towards the scalp in overlapping layers.
Depilatory: A method, such as waxing or sugaring, that dissolves and removes hair at the skin level.
Water-in-oil emulsion: Cold cream is classified as this type of emulsion, which has specific cosmetic properties.

Muscle Anatomy

Frontalis: Muscle responsible for raising the eyebrow and drawing the scalp forward, contributing to facial expressions.

Regulatory and Chemical Knowledge

Federal Food & Drug Administration (FDA): The U.S. governmental agency responsible for regulating cosmetic products.
Catalyst: A substance that accelerates the rate of a chemical reaction, important in various chemical processes.

Massage Techniques

Pretissage: The term used in massage for a "kneading" technique that promotes relaxation and muscle relief.

Bone Anatomy

Mandible: The largest and strongest bone in the face, commonly referred to as the lower jaw.

Description

Test your knowledge on nail and skin terminology. This quiz covers essential terms related to nails, hair structure, and treatments. Understand the anatomy, growth phases, and various hair relaxing products while enhancing your vocabulary in dermatology.