HTN

Hair Loss Glossary

Glossary Terms

Below is a list of terms that are being used when referencing anything to do with hair loss/hair transplant.

A.

Alopecia: [Gk, alopex, fox (manage)], it can be partial or full lack of hair.

Alopecia Androgenetica: [Gk, alopex, fox (manage) + Gk, andros + genein, to generate], the clinical term for male or female pattern baldness.

Alopecia Areata: [Gk, alopex, fox (mange) + L, area, open space], hair loss in greatly specified shapes.

5 alpha-reductase: this enzyme is required to transform testosterone to dihydrotestosterone (DHT). Kind 1 5-alpha reductase is discovered generally in the skin and type 2 5-alpha reductase is discovered in the prostate.

Anagen: [Gk, ana, up, once again + genein, to generate], the increasing stage of hair, which shows big variation, varying from two to 6 or even more years.

Androgen: [Gk, andros + genein, to produce], a steroid hormonal agent that can be discovered in males.

Apoptosis: [Gk, apo, separation + ptosis, dropping], automatic cell fatality.

Azelaic Acid: a physically taking place saturated dicarboxylic acid with the compound name of 1, 7-heptane dicarboxylic acid and a molecular mass of 188.22. Azelaic acid is a nutritional part of whole grain cereals and pet products.

B.

Biopsy: [Gk, bios, life + messages, sight], the elimination of a tiny component of living tissue from a body organ or other component of the body for microscopic examination.

C.

Catagen: [Gk, kata, down, under + genein, to generate], the small shift stage of the hair development stage, lasting 2 to 3 weeks.

Duplicate: [Gk, on, a plant reducing], a collection of genetically coordinating cells or organisms resulting from a certain typical cell.

Crown: [L, corona, a surrounding framework], the remarkable component of an organ or plan, such as the top of the head.

Follicle: The external covering of hair, made up of overlapping ranges constructed from neutral keratin healthy protein. It offers hair beam as well as beam and additionally gives several of its pressure.

D.

Dermal Papilla: The facial papilla lies at the base of the hair follicle. The dermal papilla has nerves as well as capillary, which give glucose for energy and amino acids to make keratin. This setup is significantly significant in the regulation of hair development since it has receptors for both androgens and hair-promoting devices.

Dermatology: [Gk, derma, skin + logo designs, scientific research], the study of the skin, along with the anatomy, physiology, and pathology of the skin and also the evaluation as well as management of skin problems.

Dermis: [Gk, derma, skin], the covering of the skin, just listed below the skin, consisting of papillary and knotty layers as well as including blood and lymphatic vessels, nerves and nerve endings, glands and hair follicle devices.

DHT: short term for dihydrotestosterone. Categorized as a ‘sex hormone’, there is no well-delineated connection to the degrees of DHT and also sex drive or sex. Besides creating hair development on the face as well as top pubis (but having just the in contrast result on the scalp), the function of DHT in the grown-up human man is not yet understood.

Benefactor Area: area of the scalp (generally along the sides) where hair is extracted from to be transplanted to the marked location.

Dutasteride: a medicine currently under development by GlaxoSmithKline, which is a double inhibitor of the 5-alpha reductase enzymes in fee for transforming testosterone to DHT.

E.

Effluvium: [L, effluvium, a flowing out], a constant circulation, which might pertain to unanticipated hair dropping.

Epidermis: [Gk, etc, on or upon + derma, skin], the shallow, avascular, layers of the skin, composed of an external, dead cornified part and also a deeper, living, cellular component. All in all, the layers are in between 0.5 to 1.1 mm.

Etiology: [Gk, anti, reason + logo designs, science], the beginning of a disease.

F.

Finasteride: the basic name for Propecia and Proscar, which are drugs that bind with the type 2 5-alpha reductase enzyme and also decrease the amount of DHT in the prostate and also product.

Follicle: [L, folliculus, little bag], a pouch like anxiety, such as the hair follicles within the dermis that confine the hair origins.

Frontal Hairline: [L, front, temple], the splitting up of vellus to incurable or transitional hair in and beside the midline of the frontal component of the head.

G.

Generic: [L, genus, kind], of or relating to a compound, item, or medicine that is not secured by hallmark; the same in material make-up however not essentially equal in remedial result.

Glycerin or Glycerine: [Gk, glycerol, pleasant], a sweet, neutral, oily liquid that is a pharmacologic grade of glycerol. Glycerin is used as a moistening instrument for chapped skin, as a component of suppositories for constipation and also as a sweetening instrument as well as automobile for medicine prep work.

H.

Hamilton-Norwood: a visuals scale representing the quantity of hair loss/ economic crisis of alopecia androgenetica in males.

Hirsutism: [L, furry, hairy], severe body or face hair as an end result of heredity, hormone dysfunction, porphyria or prescription.

Hormonal agent: [Gk, formalin, to propel], a compound chemical substance developed in one component or organ of the body that starts or manages the activity of a body organ or a group of cells in one more component of the body.

Hypertrichosis: extreme hair growth over the regular for the age, sex and race of a person, in difference to hirsutism, which is excess hair growth in women adhering to a male distribution pattern. Hypertrichosis can increase all over the body or can be isolated to tiny patches.

Hypothyroidism: (underactive thyroid gland) is words utilized to explain a state in which there is a compact level of thyroid hormonal agent (thyroxine) in the body. This can create numerous signs, consisting of: tiredness, weight gain, constipation, pains, dry skin, lifeless hair/hair loss as well as feeling cold.

I.

Infundibulum: is the cup or funnel in which a hair roots expands, also The far better, or the most portion, of the hair follicle.

Intermediate Hair: transitional scalp hairs are around 1 centimeters in length. They require the surface area of incurable hair yet have far more thickness and also body than vellus hair.

Artificial insemination: [L, in, within + vitreous, glassware], of a biologic effect happening in laboratory gadget.

In Vivo: [L, in, within + vivo, to life], of a biologic effect event in an active microorganism.

Isthmus: is the shortened section of the hair follicle, extending from the connection of the erector pili muscle (bulge area) into the entry of the sweat gland air duct.

K.

Keratin: [Gk, keras, horn], a coarse, sulfur-containing protein that is the primary part of the epidermis, hair, nails as well as enamel of the teeth.

Ketoconazole: an antifungal prescription that inhibits biosynthesis of ergosterol or various other sterols.

L.

Ludwig Staging: a representation of the extent of alopecia androgenetica in ladies.

Lanugo: [L, down], the squishy, fine hair that covers much of the fetus begins in the fifth month as well as is generally dropped prior to birth.

M.

Micrograft: [Gk, micros, small] methods grafts with 1 or 2 hairs, mini-grafts are those with 3 or 4 hairs, and a megasession is a process in which greater than 1000 micrografts and minigrafts are placed in a single session.

Midline: area in the direction of the facility of the scalp.

Miniaturisation: The crucial process by which dihydrotestosterone (DHT) reduces hair follicles; a key indicator of androgenetic alopecia.

Minoxidil: a piperidino pyrimidine derivative vasodilator that possesses hair development stimulant homes, most likely entailing straight stimulus of hair roots epithelial expansion. The initial FDA drug approved for the treatment of MPB.

O.

Occiput: [L, occiput, atlas], the back part of the head.

Oestrogen: [Gk, oistros, gadfly + genein, to generate], among a group of hormonal steroid compounds that support the development of female second sex characteristics.

P.

Papilla: The small origin area at the base of hair, which gets the nutrients required for hair development.

Pharmacodynamics: [Gk, pharmakon, medication + dynamis, power], the research of just how a drug acts on a living animal.

Back Scalp: The region at the rear of the head.

Pilosebaceous Unit: [L, pilus, hair + sebum, fat], of or referring to a hair follicle system and also its oil gland.

Exclusive: [L, proprietas, a home], of or pertaining to an outcome, such as a medicine or tool, that is created earnings.

Propylene Glycol: a colourless thick fluid used as a solvent in the preparation of definite drugs. It also prevents the development of fungus as well as microbes.

R.

Receptor Site: [L, recipere, to receive +situs, location], a setting on a cell outside where certain particles, such as enzymes, natural chemicals, or viruses, connect to interrelate with cellular device.

Economic downturn: [L, recedere, to pull away], a weakening.

Recipient Website: The bald location where the drawn out hairs (usually from the benefactor location) are transplanted to.

Retin-A: the exclusive name for a prep work of retinoic acid, made use of in the monitoring of acne as well as sun damage to the skin.

Retinoic Acid (additionally tretinoin, isotretinoin or all-trans-retinoic acid): the cis-trans type of vitamin A. Retinoids cause a mild chemical peel on the skin as well as are extremely significant to all epithelial structure.

S.

Scleroderma: [Gk, skirt, hard, derma, skin], a consistent solidifying and also reduction of the skin and also connective cells throughout the body. It can trigger hair loss over the impacted locations.

Sweat: [L, sebum, sweat], greasy, oily, commonly referring to the oil-secreting glands of the skin or to their secretion.

Sebum: [L, grease], the oily emission of the sweat glands of the skin, composed of keratin, fat and mobile particles.

Steroid: [Gk, stereos, strong + eidos, kind], any one of a great deal of hormone materials with an equivalent crucial chemical configuration, developed primarily in the adrenal cortex and gonads.

Superoxide Dismutase (TURF): chemicals that catalyse the damage of oxygen cost-free radicals. It safeguards oxygen metabolizing cells against the harmful effects of superoxide totally free radicals.

Suture: Stich.

T.

Telogen: [Gk, telos, end + genein, to produce], the concealed phase of the hair development cycle lasting for about 100 days.

Temples or Temporal Locations: [L, tempus, temple], the lateral-frontal regions of the head.

Incurable Hair: [L, terminus, boundary] of or concerning the thicker hair on the scalp that are modulated as well as have a growth stage of several years.

Testosterone: a naturally occurring androgenic hormone.

Concept of Benefactor Prominence: sensible basis for hair transplantation mentioning that hair’s hereditary code lives inside the hair follicle as well as not in the receiver site right into which it is hair transplanted.

Trichotillomania: [Gk, trikhos, hair, tillein, draw out (hair)] an illogical need to take out one’s hair.

V.

Vellus: the mushy, great hair casing all parts of the body other than hands, soles and areas where various other kinds of hair are usually found. True vellus hairs have no erector pili muscle yet have massive sebaceous glands. Vellus scalp hairs obtain sizes much less than 1 centimeters.

Vertex: [L, vertex, summit], the top of the head towards the posterior piece, with each other with the location or locations at which the hair expands in a coiled version.

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