anagen


Also found in: Dictionary, Thesaurus, Encyclopedia.
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 ?
In summary, our data suggest that EGCG stimulates human hair growth via its proliferative and anti-apoptotic effects on DPCs, and may prolong anagen stage.
People with too little hair, for example, might benefit from therapies that stimulate follicles into anagen or inhibit catagen.
Unlike many other ingredients that work in a highly abrasive way (destroying skin cells and hair cells alike), Decelerine[TM] b a s e s its action on the selective destruction of germinating hair follicle cells during the anagen stage.
The periodic transformation of hair follicles from telogen to anagen phase in the petroleum ether extract treated group is a healthy validation of hair growth potential of C.
The length of the anagen stage determines how long your hair is.
A three-month clinical study showed that AnaGain increased the density of anagen hair by about 8% and reduced the density of telogen hair by 28%.
This result is consistent with a previous report that the level of PRLR expression peaked during proanagen and returned to a low level during anagen in sheep (Nixon et al.
Although the precise mechanism of action is unknown, PG receptors are thought to be involved in the development and regrowth of the hair follicle,1 by increasing the percent of hairs in, and the duration of, the anagen or growth phase.
These nutrients help hair during the Anagen phase of the hair growth cycle.
The apple stem cells, which strengthen hair during the critical anagen growth phase, are rich in phyto-nutrients, proteins and long-living cells and help protect against UV radiation and oxidative stress.