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This paper reviews the complex histology of skin layers and underscores its importance for accurate and reproducible diagnosis in cutaneous pathology, but reports no new research findings.

This study found that fibroblasts play a crucial role in scar formation during dermal development and identified N-Cadherin as a key molecule in their response, suggesting new therapeutic avenues for scar prevention.

Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.

This study found that β1 integrin-mediated signaling is crucial for the survival, adhesion, and migration of epithelial progenitor cells in human scalp hair follicles, with varying responses observed among cell subpopulations.

This narrative review discusses the structure and functions of the skin, focusing on its barrier role, self-repair, thermoregulation, and immune functions, and reports no new experimental results.

This study found that culturing fibroblasts on stiffer substrates mimicking fibrotic wounds led to an aligned EDA fibronectin matrix with thinner fibers and decreased YAP activity, suggesting disrupted signaling that might be restored to promote regenerative wound repair.

This study reports that the composite galeal frontalis pericranial flap can be successfully used for reconstruction in anterior cranial base surgery, effectively sealing cerebrospinal fluid leaks, while minimizing complications like numbness and skin necrosis.

This study estimates that approximately 230,000 tactile afferent fibers innervate the human body's skin, with varying densities across different regions correlating with spatial acuity and hair follicle density.

This research observed that 3D electrospun micro/nanofibrous sponges, without using chemical crosslinking agents, supported enhanced cell growth, vascularization, and skin regeneration in diabetic rats compared to 2D fiber membranes, making them promising for 3D tissue regeneration.

In this study, the staining properties of two types of cysts, epidermal and pilar, were found to differ, supporting their origins from the epidermis and the trichilemmal hair follicle layer, respectively.

This study found that tight junctions extend to the most superficial layer of the stratum granulosum in human skin, challenging previous claims of their limited presence in the epidermis.

This case study reports a peculiar variant of an epidermal cyst in a patient, featuring unique characteristics like brownish, lumpy contents resembling bone marrow.

This study investigated the interdigital glands in sheep, highlighting their apocrine sweat glands' ultrastructural characteristics and positive lectin reaction, but reported no new clinical results.

This study observed that in live rodents, actin filaments adjust their structure to facilitate membrane transfer between cellular compartments; linear filaments stabilize fused membranes, while branched filaments, connected by the protein Ezrin, drive integration, demonstrating actin's role in adapting to membrane biophysical changes.

This review discusses the interactions between immune cells and the skin epithelium and their impact on maintaining barrier function, emphasizing the potential to enhance epithelial barrier function in inflammatory diseases.

This study found that injecting PRP gel derived from a patient's own blood may promote tissue regeneration and closure of intestinal fistulas unresponsive to conservative therapy.

Canine skin has two main layers: the epidermis and dermis, with a supportive subcutis layer.

In this study, injecting platelet-rich plasma into the muscular layer of the intestinal wall in rabbits significantly reduced adhesion development compared to soaking methods, suggesting an improvement in anastomosis regeneration.

This study investigated the immunohistochemical characteristics of keratin proteins in epidermal appendages, finding variable staining patterns in different skin structures and tumor cells, which suggests differences in keratinization.

The researchers reported that BCE-like changes overlying dermatofibroma show a differentiation pattern most similar to normal basal cells based on specific keratin markers.

This overview examines the biology, origin, structure, and function of various cells and structures, such as the blood-retinal barrier and Merkel cells, and discusses their roles in disease pathogenesis, along with recent findings related to the lymph nodes' paracortex.

This review highlights the critical role of neuroregulation in skin wound healing, emphasizing how neurotransmitters and neuropeptides regulate inflammation, angiogenesis, and cell proliferation, and discusses potential therapeutic strategies, such as neuromodulation, to enhance these processes.

This study found that in the dorsal horn's lamina III, most afferent boutons form synapses with presynaptic boutons immunoreactive for GABA and/or glycine, influencing sensory pathways.

In this study, researchers standardized the Koelle and Friedenwald technique as modified by Gomori to reliably demonstrate discrete enzyme localization around eyebrow hair follicles in humans.

This review explores the complex interactions between epidermal stem cells and their environment, highlighting the critical roles of these cells in skin wound healing and tissue repair processes.

This study suggests that human outer root sheath cells are suitable for skin replacement, as they can form a stratified epithelium similar to normal epidermis in organotypic cultures.

In this study, keratin hydrogels derived from human hair were found to significantly enhance nerve regeneration in a mouse model, acting effectively as scaffolds by influencing Schwann cell behavior.

This study examined the sensory innervation of hair follicles in the furry skin of rat hindlimbs, finding significant differences among hair types in their innervation patterns and densities.

This study found that platelet-rich plasma treatment significantly improved erectile function and restored neural structures in aged rats with erectile dysfunction, suggesting potential benefits for geriatric patients.