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This article reports electron microscope studies on the structure of hair and wool, but it does not present new clinical findings.

This study found that the human hairline is closely linked to several cranial, cerebral, and vascular structures, enabling precise localization of key neuroanatomical landmarks, which could assist in planning neurosurgical procedures.

This study observed that treating hair follicles with BM15766 and 7DHC led to structural damage, disrupted cellular organization, reduced expression of key genes and proteins, and increased apoptosis, in contrast to controls, indicating detrimental effects on hair follicle integrity.

This review concludes that anabolic–androgenic steroid abuse may lead to significant neurotoxicity, affecting brain structure, neurotransmitter systems, and increasing the risk of mood disorders and cognitive deficits.

This study found that mink pelts with "singe" and "red hip" defects often exhibit split hair tips and altered cuticle structures, which may contribute to their undesired metallic sheen.

In this study, researchers characterized the retinal structure and function of the Oat^rhg mouse model of gyrate atrophy, finding localized atrophy without significant retina-wide functional impact, suggesting the model may be useful for testing new treatments using multimodal retinal imaging.

In this study, Raman micro-spectroscopy did not support the hypothesis of structural changes in hair follicles due to miniaturization in women with androgenetic alopecia.

This study concluded that the GIANT brain atlas, which integrates genetic and neuroanatomical variations, provides a more accurate representation of brain structure than traditional neuroanatomical atlases, allowing for better exploration of genetic influences on the brain.

This study found that skin thickness in Bakerwali goats increased with age, with notable histological differences in these layers across diverse regions of the body.

This study found that Bakhtiari sheep hair fibers and follicles became larger and more organized with age across all skin regions, with no significant differences by sex.

This study examined Prunus mira populations in the Qinghai-Tibetan Plateau and found high genetic diversity and substantial phylogeographic structure, suggesting geographic isolation limits gene flow; the researchers propose conservation strategies to preserve genetic resources.

This study developed finite element models to examine skin's biomechanical properties, finding that structural heterogeneities like Rete ridges and hair follicles create distinct stress and strain patterns that may influence mechanosensation and skin integrity.

This study introduced and validated the VESALT, a visual extension of the Severity of Alopecia Tool, finding it offers improved reliability and user-friendliness over SALT by incorporating pattern recognition and broader coverage, including non-scalp regions, in assessing alopecia areata severity.

This study reports the cloning and expression details of two new human type II keratins, K6irs3 and K6irs4, in the hair follicle's inner root sheath, suggesting a distinct functional role related to hair structure.

This study found that over-expressing Spry4 and Fgf10 modulates feather stem cells to alter feather morphologies in distinct ways, affecting barb branch formation and tissue structure.

This article discusses a hypothesis on the development and evolution of scales, hairs, and feathers from fish to amniotes, based on regions of dermo-epidermal interactions in skin, but reports no new findings.

In this study, researchers observed that the epidermal specializations on the tail scales of Lygodactylus lizards, including sensory organs and specific secretory glands, are fully restored with similar structure and distribution on regenerated tails.

This study proposes a method for automatically removing hairs from skin lesion images by using edge-tangent flow for hair detection and texture synthesis for restoring occluded regions with minimal artifacts.

This study reports that Wise is expressed in specific patterns during the morphogenesis of chick embryos, particularly in regions associated with known signaling molecules like Wnt, Bmp, and Shh.

This study reported that treating alopecia patients with thyroxin tablets to reduce TSH levels, along with hair growth therapies, improved hair follicle growth and hair structure.

This study found that permanent wave treatment accelerates hair degradation after protease exposure, showing significant morphological differences compared to untreated hair and linked to damage from Alpha-helical region denaturation.

This study utilized the DNP–SANS technique on human hair for the first time and found significant changes in the SANS profile dependent on polarization conditions, providing insights into the structural composition and dynamic properties of keratin and its associated proteins.

This study found that septoplasty simulation in rats led to decreased exploratory behavior and anxiety, suggesting a link between postoperative stress and changes in the hippocampal region.

In this study, treatments using a shampoo and conditioner with hematin helped repair damaged hair by depositing a cuticle-like structure, straightening hair as observed through electron microscopy.

This preliminary study suggests that Raman micro-spectroscopy can help differentiate basal cell carcinoma from hair follicles in skin tissue sections, although some misclassification of hair follicles as carcinoma was observed.

This study provides evidence supporting a regulatory relationship between the transcriptional regulator Hoxc13 and Krtap16 genes, which are crucial for proper hair growth in mice.

This study found that the spinal projection of afferents innervating slowly adapting mechanoreceptors had a greater rostrocaudal extent and number of boutons compared to those innervating rapidly adapting mechanoreceptors.

This study found that wolves in heavily hunted areas of Canada's tundra–taiga exhibited higher levels of stress and reproductive hormones, indicating social instability and increased reproductive effort due to human-caused mortality.

In this research, sequencing the chloroplast genomes of 10 Sansevieria trifasciata cultivars allowed the identification of a trnT-psbD deletion marker capable of distinguishing closely related species, and highlighted evolutionary links with Dracaena, contributing molecular tools for taxonomy and phylogenetic studies in Asparagaceae.

In this study, researchers found that patients recovering from COVID-19 in the metropolitan area of Goiânia-GO commonly experienced musculoskeletal issues, behavior changes, and other health complications, with obesity and certain lifestyle factors associated with these post-COVID symptoms.