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Men and women need different facial rejuvenation treatments due to distinct aging processes and anatomical differences.

This study observed that long-term laser hair removal in women may alter hair follicle structures and stem cell interactions, with dermal fibrosis potentially influencing hair regrowth prevention.

This study found that deleting FoxN1 in specific thymic epithelial cells disrupted the 3D thymic structure and led to age-dependent formation of 2D epithelial cysts, highlighting FoxN1's critical role in thymic morphogenesis.

In this study, researchers found that eccrine sweat glands in human scalp skin are morphologically integrated into the pilosebaceous unit, suggesting they form a common homeostatic tissue environment with adjacent structures.

This study suggests that dermal adipocytes might play a key role in skin aging due to their transformation into fibrotic structures in chronically photo-damaged skin.

This study found that reducing HDAC1 activity in the skin of mice led to defects in hair follicle structure and pigmentation, highlighting HDAC's role in skin and hair maintenance.

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 examined variations in epidermal thickness and protein expression across different dog breeds, finding significant differences by anatomical site and breed, with associated mRNA and protein expression changes observed.

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 found that 3D bioprinting significantly advances skin tissue engineering by enabling the creation of complex, patient-specific skin structures, though technological and regulatory challenges persist, particularly in areas like scalability and physiological mimicry.

This review highlights recent advancements in the engineering of skin organoids using hydrogels, which improve their structural and functional fidelity by supporting the architecture and integration of vascular and neural components, promising to enhance regenerative medicine, drug discovery, and complex skin disorder studies.

This review highlights that two-photon excitation microscopy is a valuable tool for visualizing live skin structures and immune responses at high resolution, though its clinical use is hindered by safety and cost issues.

In this study, researchers used tissue clearing techniques on human skin and scar tissue for the first time to render them optically transparent, with the aim of revealing atypical structures and improving protocols for observing scar tissue changes.

This review discusses the potential of augmented reality to advance vascular and endovascular surgery by improving 3D anatomical understanding and reducing patient risk, but notes that further research is needed to overcome current technological limitations.

This article reviews botulinum toxin use in men, focusing on anatomical and treatment differences, with no new clinical results.

This study examined the morphological features of buffalo lips, finding that their structure includes distinct layers of skin, muscle, connective tissue, and glands.

This expert opinion article presents insights from dermatologists and aesthetic physicians on using polynucleotides (Rejuran®) for skin hydration, rejuvenation, structural support, barrier repair, and scar remodeling, noting their favorable safety profile but highlighting the need for more robust evidence and research.

This study outlines a multidisciplinary approach to investigate primary amenorrhea, emphasizing the necessity to consider medical history, physical examination, and potential hormonal or anatomical causes, and recommends early referral in cases of chromosomal abnormalities or persistent amenorrhea following the development of secondary sexual characteristics.

This article discusses the bi-compartmental organization of hair follicle stem cell niches for balancing stem cell cycling and organ growth and proposes similar structures may exist in other adult stem cell niches but reports no new experimental results.

This study found that using an electrical microneedling device enhanced the penetration of liposomal melanin-fluorescein into hair structures and widened the follicular infundibulum in ex vivo human skin models.

This study reports that immunologically inert and skewed immune cell populations in developing human skin may contribute to wound healing and structural changes during skin development.

This source provides a comprehensive overview of amenorrhea, detailing its classification, potential causes such as hormonal imbalances and structural abnormalities, and the various management strategies including hormone therapy and lifestyle modifications tailored to its underlying causes.

This study found that a combination of photoprotector and nighttime formulations with essential oils improved skin barrier function and structural characteristics in young men's oily, acne-prone, and photoaged skin.

This review addresses the effects of testosterone on brain development and examines both the established sex differences in brain functions and the debate surrounding structural dimorphism in neuropsychiatric conditions.

In this study, researchers observed the patterns of hair distribution and scalp anatomy in Chinese young adult males, finding significant variations in hairline shape, hair density, and follicular unit structure.

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 revealed key cellular dynamics and interactions during early embryonic mouse skin development, highlighting complex transitions from precursor states to diverse multilayered structures.

This study utilized polarized light microscopy to examine hair shafts in ten children with rare genetic disorders, such as Netherton syndrome and ectodermal dysplasia, providing valuable diagnostic insights into hair thickness, composition, and structural irregularities associated with these conditions.

This study highlights the benefits of virtual surgical planning in orthognathic and facial trauma surgeries, noting its ability to enhance understanding of complex 3D anatomical relationships, reduce operation time, and integrate multidisciplinary approaches, including robotic assistance for real-time adjustments and customized implants.

This study found that zebrafish and stickleback fish use similar genetic programs for tooth regeneration, despite differences in their dental structures.