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What is the scientific study of hair and its diseases and care
Hair papilla
What is a cone shaped elevation of connective tissue that contains the capillaries and nerves located at the base of the follicle that fits into the bulb
Vellus hair
What is the hair found in areas that are not covered by the larger coarse terminal hairs
Telogen phase
What is the final phase of hair growth. The hair is ready to shed
Syndrome
What is a group of symptoms that, when combine, characterize a disease or disorder
Hair follicle
What is a mass of epidermal cells forming a small tube or canal
Hair shaft
What is defined as the part of the hair located above the surface of the skin
Terminal hair
What is the longer, coarse hair found on the head, brow, lashes, genitals, arms and legs
Hypertrichosis
What is an excessive growth of terminal hair in areas of the body that normally grow only vellus hair
Depilation
What is a process of removing hair at or near the level of skin. Shaving
Pilosebaceous unit
What contains the hair follicle and it’s appendages, which include the hair root, hair bulb, hair papilla, hair shaft, and arrector pili muscle and sebaceous glands
Sebaceous gland
What secretes the waxy substance called sebum, which lubricates the skin and hair
The three stages of hair growth
What are anagen, catagen, telogen
Hirsutism
What is excessive hair growth on the face, chest, underarms, and groin, especially in women. It is caused by excessive male androgens in the blood
Epilation
What is the process of removing hair from the bottom of the follicle by breaking contact between the bulb and the papilla
hair root
what 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
Arrector pili muscle
What is the muscle that contracts when affected by cold or other stimuli
Anagen phase
What is the growth stage during which new hair is produced
Disease
A pathological, caused by viruses and bacteria, with a series of signs and symptoms
Electrolysis
What is removal of hair by means of an electric current that destroys the hair root
Hair bulb
What is a thick, club shaped structure made from epithelial cells that surround the papilla
Lanugo
What is soft downy hair found on a fetus. Sheds after birth and is replaced with either fellas hair or terminal hair
Catagen phase
What is the transition stage of hair growth. The hair detached from the papilla
Disorder
What is an abnormality of function, like a birth defect or genetically inherited malfunction
Laser and IPL both offer
What is permanent hair reduction