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Morphology of the Human Pineal Gland Studied by Freeze-Fracturing in Scanning Electron Microscopy.

Life (Basel)

December 2024

Institute of Histology and Embryology, Faculty of Medicine, Comenius University in Bratislava, Špitálska Street 24, 813 72 Bratislava, Slovakia.

The human pineal gland is the largest producer of the hormone melatonin. Pineal acervuli (brain sand), calcified concretions in the pineal gland, have long been studied because of their association with ageing, melatonin production, and neurological disorders. The solid inorganic matter of the hydroxyapatite crystals often renders sample sectioning impossible, to the extent that the sections lose value.

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Obesity has emerged as a major risk factor for human health, exacerbated by aging and changes in dietary habits. It represents a significant health challenge, particularly for older people. While numerous studies have examined the effects of obesity and aging on fat metabolism independently, research on their combined effects is limited.

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is an enigmatic parasitic barnacle from the family Mycetomorphidae, known for its unclear phylogenetic position within Rhizocephala. Specimens of were collected from infected shrimps near the South Kuril Islands. Detailed morphological studies were conducted using histological techniques and scanning electron microscopy, and 18S rDNA sequences were used to resolve the phylogenetic position of within Rhizocephala.

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Innovative Mechanical Processing of Adipose Tissue: A Comparative Evaluation of Microfat and Concentrated Micronized Fat for Superficial Fat Grafting.

Aesthetic Plast Surg

January 2025

Department of Body Contouring and Fat grafting Center, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No 33 Badachu Road, Shijingshan District, 100144, Beijing, People's Republic of China.

Background: Superficial autologous fat grafting is widely used for facial rejuvenation and regenerative treatments, yet its retention rate remains unpredictable. Enhancing the concentration of adipose-derived stem cells (ASCs) has been shown to improve graft retention. Mechanical fat processing techniques can reduce fat granules size for superficial injection as well as elevate the concentration of ASCs.

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