Hair Disorders and Diseases Flashcards
Androgenic alopecia
hair loss characterized by terminal hair miniaturization and a shortened anagen phase. It can affect anyone and is caused by genetics, age, or hormonal changes
Postpartum alopecia
Most people experience temporary hair loss one to five months after delivery.
Typically, the cycles regulate within six to 12 months.
Minoxidil
a topical medication applied to the scalp. It has been proven to stimulate hair growth and comes in two different strengths: 2 percent minoxidil and 5 percent minoxidl
Finasteride
oral prescription medication. Finasteride is more effective and convenient to take than minoxidil. However, it may have negative side effects, including birth defects in a male fetus
Canities
the technical term for gray or white hair
Ringed hair
a variety of canities characterized by alternating bands of gray and pigmented hair throughout the length of the hair strand.
Hirsuties
the growth of terminal hair on a woman’s body in areas that typically do not have terminal hair, such as the upper lip (mustache area), chin and cheeks (beard area), and chest.
Hypertrichosis
a condition in which hair grows longer or thicker than usual
Trichoptilosis
the technical term for split ends
Trichorrhexis nodosa
the technical term for knotted hair. It is characterized by brittleness and the formation of nodular swellings along the hair shaft. When in this state, hair breaks easily, and the broken fibers spread out like a brush along the hair shaft.
Monilethrix
the technical term for beaded hair. The hair has a beaded appearance due to narrowing of the hair shaft. The hair is brittle and breaks easily
Fragilitas crinium
the technical term for brittle hair. The hairs may split or break at any part of the hair strand. Causes include excessive exposure to UV rays, mechanical and chemical abuse, and pulling the hair tightly into braids or ponytails.
Pityriasis
the technical term for dandruff, which is characterized by the excessive production and shedding of skin cells
malassezia
naturally occurring fungus that is present on all human skin; fungus that causes visibly shed skin cells, or dandruff, that can sit on the scalp and create dryness, itchiness, and discomfort
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Pityriasis capitis simplex
the technical term for classic dandruff characterized by scalp irritation, large flakes, and an itchy scalp.
Pityriasis steatoides
a more severe case of dandruff characterized by an accumulation of greasy or waxy scales, mixed with sebum, that stick to the scalp in crusts. Infants with this condition are referred to as having cradle cap.
Tinea
the technical term for ringworm. Symptoms of tinea include itching, scales, and sometimes painful, circular lesions.
Is tinea contagous?
All forms of tinea are contagious and can be easily transmitted from one person to another. Infected skin and hair as well as unclean bathtubs, swimming pools, and personal articles are transmission sources.
Tinea capitis
a fungal scalp infection known as ringworm of the scalp. The term ringworm is used due to the circular shape of the lesion. It is characterized by red spots at the opening of the hair follicles
Tinea barbae
caused by the dermatophyte fungus. It primarily affects the beard and mustache areas of the face. It is similar to tinea capitis in appearance, and the skin may be very inflamed
Tinea favosa
also known as tinea favus or honeycomb ringworm, is characterized by dry yellow crusts on the scalp called scutula
scutula
dry, sulfur-yellow crusts on the scalp in tinea favosa or tinea favus; has distinctive odor
Scabies
a highly contagious condition caused by mites called Sarcoptes scabiei that lay eggs inside the skin. Scabies symptoms include intense itching and a rash that may have blisters and bumps that resemble acne.
Pediculosis capitis
an infestation of the hair and scalp with head lice
furuncle
the technical term for a boil. It is an infection of the tissue surrounding a hair follicle
Carbuncles
are boils that form in a cluster. They are caused by staphylococci and extend into the subcutaneous tissue.
Folliculitis
inflammation or infection of the hair follicles. It presents as small red bumps or white-headed pimples around one or more follicles