anagen /an·a·gen/ (an´ah-jen) the first phase of the hair cycle, during which synthesis of hair takes place.
anagen,
an·a·gen ( n  -j n )n. The growth phase of the hair cycle during which new hair is formed. |
anagen,
the first phase of the hair cycle, during which synthesis of the hair takes place.
anagen
in the cycle of hair growth, the period of active production by the hair follicle.
anagen defluxion, anagen effluvium
loss and abnormal formation of hair that is in the anagen stage of growth; occurs with antimitotic drugs, endocrinopathies, metabolic disorders.
anagen-telogen ratio
a comparison of the numbers of anagen and telogen hair bulbs, which is an indication of the percentage of active hair follicles. Normally, the majority should be in anagen.
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