Skin Disorders & Diseases
The biggest organ in the body
What is the skin?
A condition caused by an injury or disease of the nail unit
What is a nail disorder?
The scientific study of hair and its diseases and care.
What is trichology?
The study of substances that contain the element carbon
What is organic chemistry?
The movement of electrons from one atom to another along a conductor
What is electricity?
A mark on the skin; may indicate injury or damage that changes the structure of tissues or organs.
Visible depressions running across the width of the natural nail plate
The part of the hair located below the surface of the epidermis
What is the hair root?
The study of substances that do not contain the element carbon, but may contain the element hydrogen
What is inorganic chemistry?
The flow of electricity along a conductor
What is electric current?
Lesions that are a different color than the color of the skin, and/or lesions that are raised above the surface of the skin
What are primary lesions?
An enlargement of the fingernails or toenails accompanied by increased thickening and curvature
What is Onychogryposis?
The portion of hair that projects above the epidermis
What is the hair shaft?
Any substance that occupies space and has mass
What is matter?
Any material that conducts electricity
What is a conductor?
Characterized by piles of material on the skin's surface, such as a crust or scab, or depressions in the skin surface, such as an ulcer.
What are secondary skin lesions?
An abnormal condition that occurs when the skin is stretched by the nail plate.
What is nail pterygium?
The tube-like depression or pocket in the skin or scalp that contains the hair root.
What is hair follicle?
What is an element?
A material that does not transmit electricity
What is a nonconductor?
Benign, keratin filled cysts that can appear just under the epidermis and have no visible opening
What is milia?
Increased crosswise curvature throughout the nail plate caused by an increased curvature of the matrix.
What is pincer nail?
A small cone-shaped elevation located at the base of the hair follicle that fits into the hair bulb.
What is dermal papilla?
The smallest chemical components of an element; structures that make up the element and have the same properties of the element
What is an atom?
What is a complete electric circut?