Hair Loss: Glossary


Genetic: Pertaining to genes or any of their effects. A gene is the smallest physical piece of heredity. It determines what features we will pass on to our children as well as which ones we have gained from our biological parents.

Grafting: A variety of procedures describing the removal of hair-bearing scalp from the back of the head to a recipient site. The most widely used types of grafting are slit grafts, micrografting, and minigrafting (all outdated). Grafts: Transplanted hair.

Gynecomastia: Excessive development of the male breasts.

Hair Lift: Surgical procedure used to eliminate large areas of bald scalp by lifting and advancing the entire hair-bearing scalp in an upward and forward direction.

Hair Cloning: Currently not available, but cloning hair may make it possible for you to have an unlimited crop of donor hair for a hair transplant.

Hair Integration: See hair weaving.

Hair Intensification: See hair weaving.

Hair Matrix: Region where hair and the structures that compose it (cortex, cuticle, and medulla) are made.

Hair Multiplication: Currently not available; same theory as hair cloning. Individual hair strands will be multiplied or duplicated to create more available donor area for transplantation.

Hair Shaft: Filament (hair) projecting from the epidermis that provides protection and warmth.

Hair Weaving: A process by which a hairpiece (synthetic or human hair) is attached to existing hair on scalp through braiding or another interweaving process.

Hamilton Scale: Method used to rate hair loss. See also Norwood Scale.

Hirsutism: Excessive growth of hair of normal or abnormal distribution.

Hormonal: Pertaining to hormones. Hormones are chemical messengers that are usually carried by the bloodstream. They exert their effects on specific target organs.

Hypertrichosis: Excessive growth of hair all over the body.

Hypothyroid: Deficiency of thyroid hormone normally made by the thyroid gland, located at the front of the neck. Hypothyroidism can result in hair loss.

Inflammatory: Pertaining to inflammation. Inflammation is the process whereby the body reacts to injury or abnormal stimulants.

Infundibulum: The superior, or highest portion, of the hair follicle.

Intermediate Hairs: Hairs that are in a growth stage between vellus (baby or immature) hair, such as on your face, and mature hair stage of growth such as the hair on the scalp.