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The researchers reported that in hairless mice, epidermal cell division orientations and epidermal thickness varied by body site, with dorsal and ear epidermis primarily dividing parallel to the basement membrane, unlike hind paw and tail epidermis.

This abstract provides definitions and descriptions of terms related to insects, arachnids, and other invertebrates, but includes no new research findings.

This study describes how feather pigmentation in birds is regulated by melanocyte distribution, differentiation, and patterned agouti expression, contributing to diverse and adaptive color patterns.

This study used cashmere goats to map the differentiation of dermal papilla stem cells and identified key intermediate cell states involved in hair follicle regeneration.

This study describes a method for labeling and tracking hair follicle stem cells in mouse skin using a Cre/lox recombination system with tamoxifen, providing insights into stem cell behavior and contribution to tissue regeneration.

In this study, researchers described dermatophylosis in sheep from Northeast Brazil, observing sporadic cases marked by alopecic and crusty skin lesions, affecting both adult males and females primarily in April, June, and November.

In this study, researchers found that the FOS gene may play a significant role in promoting hair follicle development in Tan sheep between birth and the Er-mao period.

Type I keratin genes are closely linked to the rex locus on mouse chromosome 11, affecting hair development.

This review discusses the evolutionary history of keratins and reports no new results, highlighting key events that contributed to the development of mammalian hair and integument.

This article highlights the various dermoscopic signs described in dermatology but reports no new clinical results.

This review discusses the use of trichoscopy for diagnosing alopecia and reports no new clinical results, emphasizing its role in identifying vascular and follicular features.

This study found that ribbed hairs on tarantulas closely resemble chemoreceptors rather than silk-producing spigots, with no silk observed emitting from them under microscopy.

This study identified the Itpr3 gene as responsible for the tufted hair loss phenotype in the BTBR mouse strain.

This study used single-cell and spatial transcriptomic profiling to identify specific molecular markers in human follicular dermal papilla cells, enhancing understanding of their role in hair follicle development.

This case report describes a Balinese breed dog diagnosed with demodecosis and malasseziosis, which improved after 30 days of treatment including amitraz, ketoconazole, and supportive therapies. The findings suggest that consistent treatment and environmental management can aid in recovery from these skin conditions in dogs.

This study challenges the idea that tarantulas produce silk from their feet to steady themselves during falls, suggesting instead that the hairs on their feet are chemosensors secreting lymph, not silk.

This study demonstrated that hiPSC-derived hair-bearing skin organoids lacked sufficient type VII collagen at the epidermal-dermal junction, indicating a need for further maturation to model certain forms of epidermolysis bullosa effectively.

In this study, the Foxn1(-/-) nude phenotype was associated with an altered regulation of epithelial progeny in skin, offering a valuable model for investigating stem cell niche maintenance and regulation.

This study documented clinical cases of dermatophytosis in two free-ranging southern chamois in the Eastern Pyrenees, with Trichophyton mentagrophytes identified in both animals.

This study found that Florida manatees have unique types of specialized nerve endings in their vibrissae, which assist in their sensory and manipulative functions in aquatic environments.

This study found that keratin genes in the epidermis of aquatic mammals like cetaceans have evolved to replace stress-inducible keratins K1 and K10 with constitutively expressed K6 and K17, suggesting adaptations to their environment.

This study discovered that the gene Tfap2b identifies a melanocyte stem cell population in zebrafish, essential for regenerating melanocytes with multi-fate potential into adult pigment cells.

This study explored the structure and keratin composition of marsupial hairs, finding similarities in keratin localization to hairs in placental mammals, and highlighting potential roles of trichohyalin and transglutaminase during hair development and shedding.

This study describes the pelage cycle, hair types, and molt patterns in black-tailed deer, highlighting significant differences in hair properties among various developmental stages and populations.

The researchers reported that during early embryogenesis and larval development in Silurana tropicalis, inhibiting steroidogenic enzymes cyp19 and srd5beta affects genes related to thyroid and reproductive systems.

This study found evidence that polythelia pilosa, previously excluded from classification, should be reintroduced as it marks true aberrant mammary structures in men and hirsute women.

This study describes a new imaging platform for the adult Drosophila midgut, facilitating real-time observation of cell behaviors and dynamics involved in organ renewal.

In this study, researchers used single-cell RNA sequencing to define and locate three distinct cell states of melanocytes in mouse skin development, potentially aiding the understanding of abnormal melanocyte differentiation.

In this study, researchers discussed how specific protein interactions in reptile skin allow for the development of protective structures like scales and scutes, which facilitated reptiles' adaptation to terrestrial environments.