The hair is formed by two parts: a visible part, the shaft, and a non-visible part, the hair follicle. The latter is further divided into upper segment, or permanent, and a lower segment, or dynamic, for the changes they have during the follicular cycle. The follicular cycle causes the production of the hair from the follicle, and it is not continuous but cyclic, with a succession of the three stages: growth (anagen), regression (catagen), and resting (telogen)
Piraccini, B.M., Bruni, F., Starace, M. (2015). Hair examination. Berlino : Springer Berlin Heidelberg [10.1007/978-3-662-45139-7_120].
Hair examination
PIRACCINI, BIANCA MARIA;BRUNI, FRANCESCA;STARACE, MICHELA
2015
Abstract
The hair is formed by two parts: a visible part, the shaft, and a non-visible part, the hair follicle. The latter is further divided into upper segment, or permanent, and a lower segment, or dynamic, for the changes they have during the follicular cycle. The follicular cycle causes the production of the hair from the follicle, and it is not continuous but cyclic, with a succession of the three stages: growth (anagen), regression (catagen), and resting (telogen)File in questo prodotto:
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