Rat skin develops from a single layer to adult-like skin with hair follicles by day 21.
December 2025 in “Italian Journal of Anatomy and Embryology” Understanding embryologic layers improves skin disorder diagnosis and supports developing targeted therapies.
1 citations
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July 2022 in “PLOS ONE” The study concluded that people with Lichen Planopilaris have a more diverse scalp bacteria and different metabolic pathways compared to healthy individuals.
October 2024 in “International Journal of Comprehensive Veterinary Research.” Neonate rabbits have consistent skin layers and no sweat glands.
March 2015 in “Plastic and reconstructive surgery” Human skin has multiple layers and functions, with key roles in protection, temperature control, and appearance.
Researchers developed a cost-effective, ethical skin model using hairless guinea pig cells for toxicology studies.
70 citations
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February 2012 in “Human Reproduction” Many young women who donate blood have hormonal disorders like excess male hormones and PCOS.
46 citations
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August 1990 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Ketoconazole reduced hair growth and improved acne in women, but caused side effects needing careful monitoring.
45 citations
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March 2015 in “Clinical Endocrinology” Testosterone therapy is generally safe for transmen, improves sexual function, and has manageable health risks with proper monitoring.
42 citations
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September 2007 in “The Journal of Clinical Endocrinology and Metabolism” The research found that polycystic ovary syndrome (PCOS) has two distinct types, with one having more severe hormone and insulin issues.
39 citations
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September 2012 in “Human Reproduction” Certain genetic variations in the SHBG gene are linked to an increased or decreased risk of PCOS in Mediterranean women.
34 citations
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February 2013 in “The Journal of Clinical Endocrinology and Metabolism” Many young Italian women have hyperandrogenic disorders like PCOS, which are linked to age, body weight, and insulin resistance.
30 citations
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March 2015 in “Clinical Endocrinology” Young women with high male hormone levels or PCOS often feel more psychological distress and have a lower quality of life.
29 citations
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November 2018 in “Journal of The European Academy of Dermatology and Venereology” Personality traits and anxiety affect hair loss patients' quality of life.
17 citations
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May 2012 in “Clinical Endocrinology” Surgery to lower high testosterone in postmenopausal women with certain ovarian tumors doesn't significantly affect their metabolism.
10 citations
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October 2024 in “Dermatology Practical & Conceptual” Dupilumab may worsen Alopecia Areata in some males but improve it in some females, suggesting personalized treatment is needed.
3 citations
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March 2014 in “Annals of Hepatology” A man lost all his hair after stopping hepatitis C treatment and it didn't grow back.
January 2024 in “Dermatology Practical & Conceptual” Spotted lunula may help identify alopecia areata.
6 citations
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January 2022 in “Database” The data set helps improve predictions of how substances are absorbed through pig skin.
November 2022 in “Journal of Investigative Dermatology” Human-induced stem cell-created skin models can help understand skin diseases by studying the skin's layers.
3 citations
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December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The research reveals how early embryonic mouse skin develops from simple to complex structures, identifying various cell types and their roles in this process.
February 2023 in “Mağallaẗ Tikrīt li-l-ʻulūm al-ṣirfaẗ/Tikrit journal of pure science” Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.
30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
15 citations
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January 2019 in “Experimental Dermatology” Lanyu pigs show that partial-thickness wounds can partially regenerate important skin structures, which may help improve human skin healing.
19 citations
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March 2017 in “PLoS ONE” PSU are better than THF at regenerating skin layers in lab models.
August 2013 in “Pharmacy Today” Viviscal may modestly improve hair loss in women without adverse effects.
1265 citations
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October 2013 in “The Journal of Clinical Endocrinology and Metabolism” The guideline suggests using specific criteria to diagnose PCOS, recommends various treatments for its symptoms, and advises screening for related health issues.
52 citations
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June 2013 in “The Journal of Clinical Endocrinology and Metabolism” The research found that anovulatory young women have higher androgen and hormone levels than those who ovulate, suggesting immature hormonal regulation rather than a specific condition.
46 citations
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August 2016 in “Journal of The American Academy of Dermatology” The study found that family history, personal history of adolescent acne, no pregnancies, hirsutism, office work, stress, and low intake of fruits/vegetables and fish are risk factors for adult female acne.