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Psoriasis on the scalp causes smaller oil glands and thinner hair but doesn't lead to hair loss.

Micro-CT helps identify suitable areas for surgical procedures based on blood vessel distribution in hypospadias-affected rats.

Calorie restriction changes the elemental and isotopic makeup of mouse hair and bone.

Multiphoton microscopy can effectively assess breast cancer treatment responses without labels.

Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.

The document concludes that human astrocytes aid stroke recovery, research confidence affects student career aspirations, collagen affects cancer spread, a microRNA suppresses brain cancer growth, calmodulin regulates water channels, and small magnesium pieces deform differently.

Pig skin is similar to human skin, with no major changes as they age.

Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.

Alopecia areata affects hair follicle structure, even in non-balding areas.

Different diseases cause specific skin and hair follicle changes in dogs with alopecia.

The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.

Collagen makes skin stiff, and preservation methods greatly increase tissue stiffness.

Protein analysis shows aging changes in scalp cell types from women.

Mast cell and nerve fiber interactions in mouse skin change with the hair cycle.

Patients with androgenetic alopecia have thinner subcutaneous fat layers in their frontal scalp compared to healthy individuals.

Mechanoreceptors convert physical touch into electrical signals through specialized nerve structures.

Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.

Mice with alopecia areata had wider lymphatic vessels in their skin.

Fibronectin and other basement membrane components increase during hair growth and decrease during rest.

15-Gy x-ray irradiation temporarily alters rat calvaria skin without causing significant inflammation or fibrosis.

Finasteride causes harmful organ changes in female mice.

Hair loss can indicate brain aging and potential small vessel disease, but more research is needed to understand the clinical impact.

A new laser method helps observe and understand how intestines heal and change over time.

Multiphoton microscopy can effectively distinguish between scarring and non-scarring alopecia.

Changes in scalp microbes may contribute to hair loss, suggesting new treatment options.

Mitochondria change shape to meet energy needs during cell movement.

Friedreich's ataxia causes thin, weak hair with surface damage and cavities.

DHT causes thicker and less elastic skin, linked to hair loss.