anagen


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Related to anagen: catagen, telogen

anagen

 [an´ah-jen]
the first phase of the hair cycle, during which synthesis of the hair takes place.

an·a·gen

(an'ă-jen),
Growth phase of the hair cycle, lasting about 3-6 years in human scalp hair.
[G. ana, up, + -gen, producing]

anagen

/an·a·gen/ (an´ah-jen) the first phase of the hair cycle, during which synthesis of hair takes place.

anagen

(ăn′ə-jən)
n.
The growth phase in the hair growth cycle during which a newly formed hair continues to grow. It is generally the longest phase and is followed by catagen.

anagen

the first phase of the hair cycle, during which synthesis of the hair takes place.

an·a·gen

(an'ă-jen)
Growth phase of the hair cycle, lasting about 3-6 years in human scalp hair.
[G. ana, up, + -gen, producing]

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.
References in periodicals archive ?
If you see any anagen hairs, that's abnormal, and I would urge you to think about another condition, like loose anagen syndrome or alopecia areata," Dr.
Overall topical treatment with Polygonum multiflorum extract promoted hair growth by inducing anagen in telogenic hair follicles.
Histopathologically, these lesions are characterized by united groups of anagen hair follicles which keep their normal distribution and architecture, predominantly located in the deep dermis, whose hair shafts are proportionally long.
At any given time, between 80 and 95 percent of the hairs on the human body are in an actively growing, or anagen, phase (Orentreich 1969; Pinkus 1981; Zviak and Dawber 1986).
Santo said there are three growth phases for each hair folicle--the anagen phase, the active growth phase in which cells form the hair shaft; the catagen phase, in which the hair stops its growth cycle but doesn't fall out; and the telogen phase, in which the hair falls out to be replaced by new hairs.
Poodles have a predominantly anagen cycle like ours; their hair grows for so long, that it needs cutting (perhaps several times) before it falls out.
Surge (Eprinex, Anagen J-Vac, Cystorelin and Ivomec) PURPOSE: To communicate with Western Canadian wheat growers during a time of year when they are not used to being communicated with.
This is the hair cycle and it has 3 stages: Anagen, is the active growth period and its length varies from one person to another, lasting about 1,000 days or more; Catagen is the resting or intermediate period, lasting about 10 days; Telogen is the shedding period, lasting about 100 days.
This is the time when the hair is actively growing and sadly, you cannot tell when a hair is in anagen just by looking.