Cycle

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Related to hair cycle: hair follicle, Telogen effluvium

Cycle

References in periodicals archive ?
When pigment cells turn off at the end of a hair cycle and fail to turn back on, hair becomes grey.
PRP induced activation of anti-apoptotic regulators and prolongs the survival of dermal papilla cells during the hair cycle.
In preclinical and in vitro human hair follicle models, PGD2 inhibitors like KYTH-105 were found to extend the anagen, or growth phase of the hair cycle, thereby promoting the growth of hair.
Some breeds do have a different hair cycle than other breeds, so shedding may not be as obvious, but it still does occur.
Especially when you have a stressful event, it can shock the hair cycle and push more hair into the shedding phase and hair loss often becomes noticeable three-to-six months after the trauma," she added.
Study co-author Prof Colin Jahoda, in the School of Biological and Biomedical Sciences at Durham University, said: "We need to establish the origins of the critical intrinsic properties of the newly induced hairs, such as their hair cycle kinetics, colour, angle, positioning, and texture.
In the mouse, IGFBP-3 protein has been localized to the zone of follicular apoptosis at the onset of the regression phase of the hair cycle (Botchkarev et al.
Readers who want additional medical information will appreciate the appendix where explanations include the hair cycle and details about several hair-loss conditions.
Proanthocyanidins from grape seeds promote proliferation of mouse hair follicle cells in vitro and convert hair cycle in vivo.
Many diseases are associated with hair cycle abnormalities, including endocrine diseases such as hypothyroidism and Cushing's syndrome; hereditary alopecia and hypotrichosis (the presence of less than normal amounts of hair); and familial zinc-responsive dermatopathy.