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Protoplasma
January 2025
Laboratory of Plant Anatomy and Morphology, Komarov Botanical Institute of the Russian Academy of Sciences, Professor Popov Street, 2, 197376, St. Petersburg, Russia.
Previously, it was found that four types of glandular trichomes (GTs) are developed on the surface of all aerial organs in Doronicum species. A detailed study of leaves had shown that only two types of GTs form in them. Nothing was known about any differences of GTs on vegetative and reproductive organs.
View Article and Find Full Text PDFPlant Biol (Stuttg)
January 2025
Laboratório de Ecologia Vegetal, Departamento de Biologia Geral, Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, Brazil.
The success of pollen-pistil interaction in Mauritia flexuosa (buriti), a palm adapted to the humid ecosystems, 'veredas', within the Cerrado, is influenced by intrinsic and environmental factors. Its supra-annual flowering, dioecy, and adverse climate conditions pose challenges for fertilization, therefore information on floral biology is essential. This study aimed to ascertain stigma receptivity, and elucidate structural, cytochemical, and ultrastructural aspects of the pollen-pistil relationship.
View Article and Find Full Text PDFTissue Cell
January 2025
Human Anatomy & Embryology Department, Faculty of Medicine, Zagazig University, Egypt.
Toxic-induced cerebellar syndrome (TOICS) poses substantial neurological challenges, given its diverse causes and complex manifestations. Gold nanoparticles (AuNPs) have gained significant attention owing to enhanced biocompatibility for therapeutic interventions. We aimed to investigate the impacts of AuNPs on cerebellar cytomolecular, immunohistochemical and ultrastructural alterations in the context of phenytoin-experimentally induced TOICS.
View Article and Find Full Text PDFJ Oral Biosci
January 2025
Bioceramics Group, Research Center for Macromoleclules and Biomaterials, National Institute for Materials Science, Tsukuba, Japan. Electronic address:
Objectives: Hydroxyapatite (HAp)/collagen (Col) cylinders with laminated collagen layers were implanted into the tibial diaphysis of rats and examined histochemically to clarify how the orientation of HAp and Col bone-like nanocomposite fibers in HAp/Col blocks affects bone resorption and formation.
Methods: HAp/Col fibers were synthesized and compressed into cylindrical blocks to mimic bone nanostructures. These were implanted into the cortical bone cavities of 10-week-old male Wistar rats with fiber bundles parallel to the tibial surface.
Arthropod Struct Dev
January 2025
Zoological Museum, University of Kiel, Hegewischstrasse 3, 24105, Kiel, Germany.
The objective of this study is to gain a better understanding of the not well understood egg-transportation mechanisms through the female reproductive systems of crabs. For this, Carcinus maenas was chosen as a model to study the cuticular epithelium underlying the cuticle of the vagina and the ventral seminal receptacle. This cuticular epithelium is investigated by performing histochemical and ultrastructural analyses of the epithelial cells.
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