alopecia
(al‵ŏ-pē'sh(ē-)ă 
)
[Gr. alōpekia, fox mange]
Absence or loss of hair, esp. of the head.
Etiology: Alopecia may result from serious illness, drugs, endocrine disorders, dermatitis, hereditary factors, radiation, or physiological changes during aging.
Treatment: Treatments include drugs, such as minoxidil or finasteride; surgeries, such as hair transplantation; or prostheses (wigs).
and rogenetic a.Male-pattern baldness.
a. areata Alopecia in sharply defined patches, usually involving the scalp or beard.
SEE: illus..
a. capitis totalis Complete or near complete alopecia on the scalp.
SEE: illus..
cicatricial a.Alopecia due to formation of scar tissue.
a. congenitalis Alopecia due to congenital absence of hair bulbs.
a. follicularis Alopecia due to inflammation of the hair follicles of the scalp.
a. liminaris Loss of hair along the hairline, both front and back, of the scalp.
male-pattern a.Male-pattern baldness.
a. medicamentosa Alopecia as a result of medical treatment, esp. with drugs used in chemotherapy for cancer.
a. prematura Premature baldness, esp. during one’s 20s.