Chap 18

Question 1

The scientific study of hair and its diseases.

Answer 1

Trichology

Question 2

The hair on a fetus is extremely soft and downy.

Answer 2

Lanugo

Question 3

Very fine, soft hair (or lanugo hair), found in areas that are not covered by the larger, coarse terminal hairs.

Answer 3

Vellus hair

Question 4

Longer, course hair found on the head, brows, lashes, genitals, arms, and legs.

Answer 4

Terminal hair

Question 5

A mass of epidermal cells forming a small tube, or canal.

Answer 5

Hair follicle

Question 6

This anchors hair to the skin cells and is part of the hair located at the bottom of the follicle below the surface of the skin

Answer 6

Hair root

Question 7

Defined as the part of the hair located above the surface of the skin

Answer 7

Hair shaft

Question 8

Contains the hair follicle and it’s appendages

Answer 8

Pilosebaceous unit

Question 9

Thick, club shaped structure made from epithelial cells that surround the papilla.

Answer 9

Hair bulb

Question 10

Cone shaped elevation at the base of the follicle, fits into the bulb

Answer 10

Hair papilla

Question 11

The growth stage during which new hair is produced.

Answer 11

Anagen

Question 12

The transition stage of hair growth.

Answer 12

Catagen

Question 13

The final, or resting, stage of hair growth.

Answer 13

Telogen

Question 14

Excessive hair growth on the face, arms, and legs, especially in women.

Answer 14

Hirsutism

Question 15

Excessive hair growth of the terminal hair in the areas f the body that normally grow only vellus hair.

Answer 15

Hypertrichosis

Question 16

The process by removing hair by the means of electricity, considered the on,y method of permanent hair removal.

Answer 16

Electrolysis

Question 17

This Method of electrolysis utilizes a high frequency current to produce heat, which coagulates and destroys the hair follicle. Also known as electrocoagulation.

Answer 17

Thermolysis

Question 18

Use of intense light to destroy the growth of cells in the hair bulb.

Answer 18

Photoepilation

Question 19

Intense pulse light; differ any from traditional laser, pulsed light produces a quick flash of light.

Answer 19

IPL

Question 20

Process of removing hair at or near the level of skin. Shaving or chemical depilation.

Answer 20

Depilation

Question 21

Process of removing hair from the bottom of the follicle by breaking contact between the bulb and papilla

Answer 21

Epilation

Question 22

Infected follicles or ingrown hairs from shaving or other hair removal methods

Answer 22

Barbae folliculitis

Question 23

Substance, usually a caustic alkali preparation, used for temporarily removing superfluous hair by dissolving it at the skin level

Answer 23

Depilatory

Question 24

Also known as banding, works by using cotton thread that is twisted and rolled along the surface of the skin

Answer 24

Threading

Question 25

Another ancient method of hair removal, alternate for those with sensitive skin or who reacts to waxes with bumps or redness.

Answer 25

Sugaring