Hair Loss: Glossary
Follicular Unit: Natural groupings of hair that grow
together as a group in the scalp and share the same blood supply.
Follicular Unit Extraction (FUE): Modification of the
standard follicular unit transplant where follicular units are removed
individually from the donor area.
Follicular Unit Transplantation: An advanced form of hair
transplantation in which the surgeon harvests hair in naturally occurring
follicular units and grafts them to balding sections of the scalp.
Free Flap: A surgical procedure in which a wide strip of
scalp from the side/back of the head is excised and then transferred to the
frontal area of the scalp to form a hairline.
Frontal Alopecia: Hair loss at the front of the head.
Gene Therapy: A treatment method that involves the
manipulation of an individual's genetic makeup. It attempts to fix the
defective gene which is causing the disease.
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
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(all outdated).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
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
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
Hamilton Scale: Method used to rate hair loss. See also
Hirsutism: Excessive growth of hair of normal or abnormal
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
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.