Hair root characteristics of the human scalp hair in health and disease

The document discussed advancements in understanding human scalp hair, focusing on the morphology, structure, and growth cycle of hair follicles. It highlighted the use of hair plucking followed by microscopic examination as a diagnostic tool, a technique standardized by Van Scott et al. in 1957. The study emphasized the need for a reliable and uniform technique with strict criteria for assessing hair root structures to ensure comparable data. The findings were limited to human scalp hair roots and suggested that studying hair root status could be beneficial in evaluating hair diseases and determining appropriate therapies.