Chapter 18 Vocabulary

Question 1

Anagen

Answer 1

First stage of hair growth; new hair

Question 2

Catagen

Answer 2

Second stage of hair growth; hair shaft grows upwards and detaches itself from the bulb

Question 3

Depilation

Answer 3

Removing hair at skin level

Question 4

Depilatory

Answer 4

Caustic alkali preparation; removes hair by dissolving it at skin level

Question 5

Electrolysis

Answer 5

Removes hair through electric current that destroys the hair root

Question 6

Epilation

Answer 6

Removes hair from follicle; Ex tweezing or waxing

Question 7

Hair bulb

Answer 7

Base follicle; provides nourishment, it’s thick, club-shaped structure formed at the hair root

Question 8

Hair follicle

Answer 8

Mass of epidermal cells forming a small tube/canal

Question 9

Hair papilla

Answer 9

Elevation at the base of the follicle to fit into the hair bulb. Papillaes are filled with tissue that contains blood vessels and other nourishments.

Question 10

Hair root

Answer 10

Anchors hair to the skin cells and is part of the bottom follicle.

Question 11

Hair shaft

Answer 11

Portion of the hair that extends beyond the skin. Consist of the Inner layer (medulla), Outer layer(cuticle), & middle layer (cortext)

Question 12

Hirsutism

Answer 12

Unusual hair growth on parts of the body that normally don’t grow hair.

Question 13

Hypertrichosis

Answer 13

Connected with hirsutism; Abnormal hair growth, having terminal hair where it normally grows vellus hair

Question 14

Lanugo

Answer 14

Hair on babies; soft and downy

Question 15

Laser hair removal

Answer 15

Intense pulse of electromagnetic radiation; a laser beam is pulsed on the skin using one wavelength at a time which weaken hair growth

Question 16

Photoepilation: Intense pulse light

Answer 16

“permanent” hair removal treatment that uses intense light to destroy growth cells & hair follicles

Question 17

Pilosebaceous unit

Answer 17

Hair unit that contains- hair follicle & appendages; hair root, bulb, dermal papilla, sebaceous appendage, & arrector pili muscle

Question 18

Sugaring

Answer 18

Ancient method of hair removal. Original recipe is a mixture of- sugar, lemon juice, and water that’s heated to form a syrup. Molds into a ball apply on skin and trips away.

Question 19

Telogen

Answer 19

Resting phase; Final phase in the hair cycle, fully grown hair is shedded.

Question 20

Threading: Banding

Answer 20

thread is twisted and rolled along the surface of the skin, entwining hair for hair removal.

Question 21

Trichology

Answer 21

Scientific study of hair and its diseases & care

Question 22

Vellus hair

Answer 22

Lanugo hair; short, fine, unpigmented downy hair on the body, exceptions on the palms of the hands and soles of the feet