alopecia (al?o-pe'sh(e-)a ) [Gr. alopekia, fox mange]
Absence or loss of hair, esp. of the head.
Alopecia may result from serious illness, drugs, endocrine disorders, dermatitis, hereditary factors, radiation, or physiological changes during aging.
Treatments include drugs, such as minoxidil or finasteride; surgeries, such as hair transplantation; or prostheses (wigs).
ALOPECIA AREATA OF SCALP
Loss of hair in sharply defined patches usually involving the scalp or beard. See: illustrationillustration
ALOPECIA CAPITIS TOTALIS
alopecia capitis totalis
Complete or near complete loss of hair on the scalp. See: illustrationillustration
Loss of hair due to formation of scar tissue.
Baldness due to absence of hair bulbs at birth.
Baldness due to inflammation of the hair follicles of the scalp.
Loss of hair along the hairline, both front and back, of the scalp.
male-pattern alopeciaMale-pattern baldness.
Loss of hair as a result of medical treatment, esp. treatment with drugs used in chemotherapy for cancer.
Loss of both scalp and body hair accompanied by desquamation of branlike scales.
Loss of hair after prolonged fevers or during the course of a disease. This baldness may be due to systemic or psychogenic factors.
alopecia totalis Alopecia capitis totalis.
Loss of hair thought to be due to toxins of infectious disease.
Loss of hair from the entire body.