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Saw Palmetto: A natural herb that has been shown to be an effective antiandrogen
Scalp Reduction: Surgical procedure in which an ellipse of bald scalp is removed from a small midline bald spot and the hair-bearing scalp between the ears is pulled together and sutured closed. This reduces the bald area.
Scarring Alopecia: Patchy hair loss with obvious sign of scalp inflammation.
Scleroderma : A disease of the skin and connective tissue that can cause hair loss over the affected areas.
Sebaceous Glands: Fatty glands found in hair follicles throughout the body that secrete an oil into the hair and surrounding skin.
Seborrheic Dermatitis : A condition marked by small discolored patches or spots on the skin and frequently occurs on the face and scalp.
Sebum: An oily secretion manufactured by tiny sebaceous glands near the follicles that keeps your hair lubricated and shiny.
Senescent Alopecia: the type of hair loss that naturally occurs with age. During the process of aging, both the duration of hair growth and the diameter of the hair follicle decrease.
Shock Fallout: The condition that occurs when hair transplantation is performed on men with a significant amount of naturally occurring hair left on their head. Trauma due to the procedure itself induces a telogen phase for much of the hair around the implanted grafts. Hair lost due to shock fallout returns in some cases.
Slit Graft: A graft of three to four hairs inserted into a slit rather than a round hole.
SOD: Also known as Superoxide Dismutase, are enzymes which destroy superoxide free radicals and prevent the cellular damage that free radicals cause. Researchers have discovered that SODases also stimulate hair growth and decrease hair loss.
Sprionolactone: A diuretic drug that acts as an antiandrogen. Used in the treatment of androgen related disorders such as female pattern baldness and hirsuitism . Brand name is Aldactone.
Stretch Back: A condition that occurs after a scalp reduction procedure due to the elastic characteristic of the skin. The bald area that could not be eliminated totally during a scalp reduction, increases in width three months after the procedure, thus reducing the procedure's effectiveness.
Suture: Stitch.
Suture Implants: A method of attaching a hairpiece that involves sewing stitches in the scalp and securing the hairpiece to them.
Systemic Side Effects: undesirable effects produced throughout the body. For example, some antiandrogens will cause decreased sex drive and breast enlargement in men.
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Telogen: The resting phase of the hair cycle which usually lasts approximately three months.
Telogen Effluvium: The second most common form of hair loss (androgenetic alopecia is the first). A condition that causes an increased number of hairs to enter the telogen, or resting phase. The additional shedding usually occurs in response to various stresses such as emotional trauma, post-pregnancy and illness, major surgery, certain medications. Telogen effluvium can be delayed (occurring a few months after the stressful incident) or chronic (unresolved).
Telogen Loss: Loss of hair during resting phase of hair or "natural" loss
Temporal Recession: Hair loss in the temple region
Terminal Hair: The coarser, pigmented hair that appears on the scalp, face, armpits, and pubic areas.
Testosterone: The male hormone which is released by both the adrenal gland and the testicles, promotes the development of male characteristics.
Theory of Donor Dominance: Scientific basis for hair transplantation stating that hair's genetic code resides within the hair follicle and not in the recipient site into which it is transplanted.
Tinea Capitis: Any of a number of contagious skin diseases caused by several related fungi, characterized by ring-shaped, scaly, itching patches on the skin.
Tissue Expansion: A method used to increase the effectiveness of surgical hair restoration. A balloon-like device is inserted under the scalp several weeks before the procedure and is gradually inflated weekly with saline.
Topically: directly applied on the skin
Traction Alopecia: This refers to hair loss which occurs do to traction placed on hair. Traction alopecia is commonly seen with braids, pony tails and other hairstyles which create traction on the scalp.
Tretinoin: The generic term for the medication Retin-A, which is most commonly prescribed for acne.
Trichotillomania: A type of alopecia caused by the constant pulling and twirling of a specific area of scalp. The hair loss usually improves once the habit is precluded; however, in some severe cases it is permanent.
Tunnel Graft: A method of attaching a hairpiece that involves taking skin grafts from behind the ear or from the hip and attaching them to the scalp. Hairpiece clips can be fastened to them, thus, securing the hairpiece in place.
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Vasodilator: a medication designed to dilate blood vessels.
Vellus Hair: Fine baby peach-fuzz hair that is not easily visible to the naked eye. They lack a central medulla , which is present in thick terminal hairs.
Vertex: The crown area of the scalp
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