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research Perspectives on Hair Evolution Based on Some Comparative Studies on Vertebrate Cornification
Hair in mammals likely evolved from glandular structures, not scales.
research Cortical cell types and intermediate filament arrangements correlate with fiber curvature in Japanese human hair
Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
research Ingrown Hairs: A Recurrent Trichoscopic Feature in Scarring Alopecias
Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
research Localization patterns of collagens during growth of human scalp hair
research Structural features of the α-type filaments of the inner root sheath cells of the guinea pig hair follicle
α-type filaments in guinea pig hair follicles have unique structural features.
research Exogen Hairs in Women with and without Hair Loss
Women with and without hair loss have similar amounts of exogen hairs, so these hairs are not a key factor in hair loss conditions.
research The three-dimensional microvascular and collagen fibrillar arrangements around rat vibrissa hairs as revealed by scanning electron microscopy
The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
research Supplementary Material for: Utility of Horizontal Sections of Scalp Biopsies in Differentiating between Androgenetic Alopecia and Alopecia Areata
Horizontal sections of scalp biopsies are useful for telling the difference between Androgenetic Alopecia and Alopecia Areata.
research Expression of Langerhans cell antigens in the hair follicles in alopecia areata
research Analysis of the changes in scalp hair angles: In vivo and in vitro comparison before and after tumescence
Tumescent fluid increases scalp hair angles, which may improve hair transplant results and reduce surgeon fatigue.
research Natural Asymmetry in Hair Growth Direction: Implications for Hairline Design in Male Patients
Natural hairline asymmetry should be embraced for better-looking hair transplants.
research Microanatomical Observations of Hair Characteristics of Red Fox (Vulpes vulpes), Golden Jackal (Canis aureus), and Gray Wolf (Canis lupus): A Comparative Study
Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
research Trichoscopic clues for the diagnosis of alopecia areata
Yellow dots and short vellus hairs are key signs for diagnosing alopecia areata using trichoscopy.
research Utility of Horizontal Sections of Scalp Biopsies in Differentiating between Androgenetic Alopecia and Alopecia Areata
Scalp biopsies help tell apart androgenetic alopecia and alopecia areata.
research Acquired progressive kinking of the hair in a Korean female adolescent
A Korean girl developed kinky hair without known cause or effective treatment.
research Morphological Approach to Hair Disorders
Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
research A modified Sobel filter-based automated numerical algorithm enables immediate trichoscopic assessment of hair diameter diversity in male and female pattern hair loss
A new computer tool quickly measures hair thickness differences in people with common types of hair loss.
research Isolated patchy heterochromia with pili annulati features on light and electron microscopy
Isolated patchy heterochromia with pili annulati can occur without other health issues.
research Phototrichogram findings in women with androgenetic alopecia
Women with AGA have less hair on midscalp, more thin and non-growing hair.
research Lanceolate hair-J (lahJ): a mouse model for human hair disorders [In Process Citation]
The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
research Pili Trianguli et Canaliculi Is a Defect of Inner Root Sheath Keratinization
The hair defect is due to abnormal inner root sheath keratinization.
research The Arrector Pili Muscle and the Follicular Unit of the Scalp
Each group of hair follicles on the scalp shares one muscle that helps control hair movement.
research Changes in the sebaceous gland in patients with male pattern hair loss (androgenic alopecia)
Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
research Responses of hair follicle–associated structures to loss of planar cell polarity signaling
Loss of Fz6 disrupts hair follicle and associated structures' orientation.
research Trichoscopy I: Non-Cicatricial Alopecia
The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
research Lanceolate hair-J (lahJ ): A mouse model for human hair disorders
The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
research Quantification of hair follicle parameters using computer image analysis: A comparison of androgenetic alopecia with normal scalp biopsies
Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
research Structure of the sinus hair follicle in the big‐clawed shrew, Sorex unguiculatus
The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
research A case of congenital pili multigemini
A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.