Search Results - "ultrastructure"

Structural features of the articular disc of the rat temporomandibular joint: Fibrocartilage or dense fibrous lamina?

Authors: Shibata S Takahashi M Shibui T et al.

Source: Journal of oral biosciences [J Oral Biosci] 2025 Dec; Vol. 67 (4), pp. 100694. Date of Electronic Publication: 2025 Sep 12.

Publication Type: Journal Article

Journal Info: Publisher: Elsevier B.V Country of Publication: Netherlands NLM ID: 101226721 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1880-3865 (Electronic) Linking ISSN: 13490079 NLM ISO Abbreviation: J Oral Biosci Subsets: MEDLINE

MeSH Terms: Temporomandibular Joint Disc*/ultrastructure , Temporomandibular Joint Disc*/cytology , Temporomandibular Joint Disc*/anatomy & histology , Fibrocartilage*/ultrastructure , Fibrocartilage*/anatomy & histology , Fibrocartilage*/cytology, Animals ; Rats ; Aggrecans/analysis ; Collagen Type II/analysis ; Chondrocytes/ultrastructure ; Chondrocytes/cytology ; Microscopy, Electron, Transmission ; Male ; Endoplasmic Reticulum, Rough/ultrastructure ; Immunohistochemistry ; Extracellular Matrix/ultrastructure ; In Situ Hybridization ; Hypoxia-Inducible Factor 1, alpha Subunit/analysis ; RNA, Messenger ; Rats, Wistar

High-Pressure Freezing EM Tomography of Entire Ribbon Synapses in the Retina.

Authors: Zhang J Aronova MA Yu X et al.

Source: The Journal of neuroscience : the official journal of the Society for Neuroscience [J Neurosci] 2025 Dec 03; Vol. 45 (49). Date of Electronic Publication: 2025 Dec 03.

Publication Type: Journal Article

Journal Info: Publisher: Society for Neuroscience Country of Publication: United States NLM ID: 8102140 Publication Model: Electronic Cited Medium: Internet ISSN: 1529-2401 (Electronic) Linking ISSN: 02706474 NLM ISO Abbreviation: J Neurosci Subsets: MEDLINE

MeSH Terms: Synapses*/ultrastructure , Retina*/ultrastructure , Electron Microscope Tomography*/methods, Animals ; Rats ; Male ; Female ; Retinal Bipolar Cells/ultrastructure ; Synaptic Vesicles/ultrastructure ; Freezing ; Rats, Sprague-Dawley ; Pressure

Differential TGF-β2 expression in the anterior and posterior eye segments in mice with early streptozotocin-induced diabetes.

Authors: Schicht M Scholich K Sisignano M et al.

Source: Experimental eye research [Exp Eye Res] 2025 Dec; Vol. 261, pp. 110671. Date of Electronic Publication: 2025 Sep 26.

Publication Type: Journal Article

Journal Info: Publisher: Academic Press Country of Publication: England NLM ID: 0370707 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1096-0007 (Electronic) Linking ISSN: 00144835 NLM ISO Abbreviation: Exp Eye Res Subsets: MEDLINE

MeSH Terms: Transforming Growth Factor beta2*/metabolism , Transforming Growth Factor beta2*/genetics , Diabetes Mellitus, Experimental*/metabolism , Diabetes Mellitus, Experimental*/pathology , Diabetic Retinopathy*/metabolism , Diabetic Retinopathy*/pathology , Posterior Eye Segment*/metabolism , Posterior Eye Segment*/ultrastructure , Anterior Eye Segment*/metabolism , Anterior Eye Segment*/ultrastructure , Gene Expression Regulation*/physiology, Animals ; Mice ; Vascular Endothelial Growth Factor A/metabolism ; Mice, Inbred C57BL ; Male ; Trabecular Meshwork/metabolism ; Trabecular Meshwork/ultrastructure ; Sclera/metabolism ; Sclera/blood supply ; Sclera/ultrastructure ; Retinal Vessels/ultrastructure ; Retinal Vessels/metabolism

Ultrastructural markers of human liver cryptococcosis in an immunocompetent patient: Lipid droplets, multilamellar bodies, megamitochondria, and syncytia.

Authors: Yoon CJ Chi JG Kim KW

Source: Tissue & cell [Tissue Cell] 2025 Dec; Vol. 97, pp. 103052. Date of Electronic Publication: 2025 Jul 24.

Publication Type: Journal Article; Case Reports

Journal Info: Publisher: Churchill Livingstone Country of Publication: Scotland NLM ID: 0214745 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1532-3072 (Electronic) Linking ISSN: 00408166 NLM ISO Abbreviation: Tissue Cell Subsets: MEDLINE

MeSH Terms: Cryptococcosis*/pathology , Cryptococcosis*/microbiology , Cryptococcosis*/immunology , Liver*/ultrastructure , Liver*/microbiology , Liver*/pathology , Lipid Droplets*/ultrastructure , Giant Cells*/ultrastructure , Giant Cells*/pathology , Giant Cells*/microbiology, Humans ; Female ; Child, Preschool ; Mitochondria/ultrastructure ; Kupffer Cells/ultrastructure ; Kupffer Cells/microbiology ; Kupffer Cells/pathology ; Hepatocytes/ultrastructure ; Hepatocytes/microbiology ; Immunocompetence ; Biomarkers/metabolism

Atomic structure and in situ visualization of native PMEL lamellae in melanosomes.

Authors: Ma B Yao Y Dong H et al.

Source: Nature communications [Nat Commun] 2025 Nov 21; Vol. 16 (1), pp. 10300. Date of Electronic Publication: 2025 Nov 21.

Publication Type: Journal Article

Journal Info: Publisher: Nature Pub. Group Country of Publication: England NLM ID: 101528555 Publication Model: Electronic Cited Medium: Internet ISSN: 2041-1723 (Electronic) Linking ISSN: 20411723 NLM ISO Abbreviation: Nat Commun Subsets: MEDLINE

MeSH Terms: Melanosomes*/metabolism , Melanosomes*/ultrastructure , gp100 Melanoma Antigen*/metabolism , gp100 Melanoma Antigen*/chemistry , gp100 Melanoma Antigen*/ultrastructure , gp100 Melanoma Antigen*/genetics, Humans ; Cryoelectron Microscopy ; Amyloid/metabolism ; Amyloid/ultrastructure ; Amyloid/chemistry ; Melanoma/metabolism ; Melanoma/pathology ; Melanocytes/metabolism ; Melanocytes/ultrastructure ; Melanins/metabolism ; Cell Line, Tumor ; Electron Microscope Tomography

Ultrastructural Characteristics of the Juvenile Chum Salmon ( Oncorhynchus keta ) Cerebellum: Interneuron Composition, Neuro-Glial Interactions, Homeostatic Neurogenesis, and Synaptic Plasticity.

Authors: Pushchina EV Vekhova EE Bykova ME

Source: International journal of molecular sciences [Int J Mol Sci] 2025 Nov 17; Vol. 26 (22). Date of Electronic Publication: 2025 Nov 17.

Publication Type: Journal Article

Journal Info: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE

MeSH Terms: Cerebellum*/ultrastructure , Cerebellum*/physiology , Neurogenesis* , Neuronal Plasticity* , Neuroglia*/ultrastructure , Neuroglia*/physiology , Neuroglia*/metabolism , Oncorhynchus keta*/physiology , Oncorhynchus keta*/growth & development , Interneurons*/ultrastructure , Interneurons*/metabolism, Animals ; Homeostasis ; Purkinje Cells/ultrastructure ; Microglia/ultrastructure

The Pig Retina: Insights From Histological, Histochemical and Ultrastructural Studies.

Authors: Barhaiya RK Kumar P

Source: Anatomia, histologia, embryologia [Anat Histol Embryol] 2025 Nov; Vol. 54 (6), pp. e70069.

Publication Type: Journal Article

Journal Info: Publisher: Wiley-Blackwell Country of Publication: Germany NLM ID: 7704218 Publication Model: Print Cited Medium: Internet ISSN: 1439-0264 (Electronic) Linking ISSN: 03402096 NLM ISO Abbreviation: Anat Histol Embryol Subsets: MEDLINE

MeSH Terms: Retina*/ultrastructure , Retina*/anatomy & histology , Retina*/cytology, Animals ; Swine/anatomy & histology ; Microscopy, Electron, Transmission/veterinary ; Microscopy, Electron/veterinary ; Retinal Pigment Epithelium/ultrastructure ; Retinal Pigment Epithelium/anatomy & histology ; Mitochondria/ultrastructure ; Retinal Cone Photoreceptor Cells/ultrastructure

Spermatozoon Ultrastructure in the Symbiotic Hoplonemertean, Malacobdella japonica Takakura, 1897.

Authors: Yurchenko OV Chernyshev AV

Source: Journal of morphology [J Morphol] 2025 Nov; Vol. 286 (11), pp. e70101.

Publication Type: Journal Article

Journal Info: Publisher: Wiley Country of Publication: United States NLM ID: 0406125 Publication Model: Print Cited Medium: Internet ISSN: 1097-4687 (Electronic) Linking ISSN: 00222887 NLM ISO Abbreviation: J Morphol Subsets: MEDLINE

MeSH Terms: Spermatozoa*/ultrastructure , Invertebrates*/ultrastructure , Invertebrates*/physiology, Male ; Animals ; Symbiosis ; Mitochondria/ultrastructure ; Acrosome/ultrastructure ; Microscopy, Electron, Transmission ; Cell Nucleus/ultrastructure

Egg glue secretion and chorion morphology of the Southern Green Stinkbug Nezara viridula L. (Hemiptera: Pentatomidae).

Authors: Baral A Piersanti S Salerno G et al.

Source: Arthropod structure & development [Arthropod Struct Dev] 2025 Nov; Vol. 89, pp. 101493. Date of Electronic Publication: 2025 Oct 31.

Publication Type: Journal Article

Journal Info: Publisher: Elsevier Science Ltd Country of Publication: England NLM ID: 100972232 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-5495 (Electronic) Linking ISSN: 14678039 NLM ISO Abbreviation: Arthropod Struct Dev Subsets: MEDLINE

MeSH Terms: Heteroptera*/ultrastructure , Heteroptera*/physiology , Chorion*/ultrastructure, Animals ; Female ; Ovum/ultrastructure ; Microscopy, Electron, Scanning ; Microscopy, Electron, Transmission ; Oviposition ; Adhesives/metabolism

Structural basis for mTORC1 activation on the lysosomal membrane.

Authors: Cui Z Esposito A Napolitano G et al.

Source: Nature [Nature] 2025 Nov; Vol. 647 (8089), pp. 536-543. Date of Electronic Publication: 2025 Sep 17.

Publication Type: Journal Article

Journal Info: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 0410462 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1476-4687 (Electronic) Linking ISSN: 00280836 NLM ISO Abbreviation: Nature Subsets: MEDLINE

MeSH Terms: Mechanistic Target of Rapamycin Complex 1*/metabolism , Mechanistic Target of Rapamycin Complex 1*/chemistry , Mechanistic Target of Rapamycin Complex 1*/ultrastructure , Cryoelectron Microscopy* , Lysosomes*/metabolism , Lysosomes*/chemistry , Lysosomes*/ultrastructure , Intracellular Membranes*/metabolism , Intracellular Membranes*/ultrastructure , Intracellular Membranes*/chemistry, Ras Homolog Enriched in Brain Protein/metabolism ; Ras Homolog Enriched in Brain Protein/chemistry ; Ras Homolog Enriched in Brain Protein/ultrastructure ; Humans ; Regulatory-Associated Protein of mTOR/metabolism ; Regulatory-Associated Protein of mTOR/ultrastructure ; Regulatory-Associated Protein of mTOR/chemistry ; Models, Molecular ; Catalytic Domain ; Enzyme Activation ; TOR Serine-Threonine Kinases/metabolism ; TOR Serine-Threonine Kinases/chemistry ; TOR Serine-Threonine Kinases/ultrastructure ; Animals ; Monomeric GTP-Binding Proteins/metabolism

Micromorphological and Histochemical Study of Senna martiana, a Medicinal Herb.

Authors: Neto ACDS Souto FS Agra MF

Source: Microscopy research and technique [Microsc Res Tech] 2025 Nov; Vol. 88 (11), pp. 3083-3093. Date of Electronic Publication: 2025 Jul 11.

Publication Type: Journal Article

Journal Info: Publisher: Wiley-Liss Country of Publication: United States NLM ID: 9203012 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-0029 (Electronic) Linking ISSN: 1059910X NLM ISO Abbreviation: Microsc Res Tech Subsets: MEDLINE

MeSH Terms: Plants, Medicinal*/anatomy & histology , Plants, Medicinal*/chemistry , Plants, Medicinal*/ultrastructure , Senna Plant*/anatomy & histology , Senna Plant*/chemistry , Senna Plant*/ultrastructure , Senna Plant*/cytology, Plant Leaves/anatomy & histology ; Plant Leaves/chemistry ; Plant Leaves/ultrastructure ; Plant Leaves/cytology ; Microscopy, Electron, Scanning ; Brazil ; Plant Stems/anatomy & histology ; Plant Stems/chemistry ; Plant Stems/ultrastructure ; Plant Stems/cytology ; Plant Roots/anatomy & histology ; Plant Roots/chemistry ; Plant Roots/ultrastructure ; Plant Roots/cytology ; Starch/analysis ; Histocytochemistry ; Alkaloids/analysis ; Lipids/analysis ; Phenols/analysis

Morphological specializations of mosquito CO 2 -sensing olfactory receptor neurons.

Authors: Charara S Choy J Cauwenberghs K et al.

Source: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2025 Oct 28; Vol. 122 (43), pp. e2514666122. Date of Electronic Publication: 2025 Oct 23.

Publication Type: Journal Article

Journal Info: Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE

MeSH Terms: Carbon Dioxide*/metabolism , Olfactory Receptor Neurons*/ultrastructure , Olfactory Receptor Neurons*/metabolism , Olfactory Receptor Neurons*/physiology , Olfactory Receptor Neurons*/cytology , Aedes*/physiology , Aedes*/metabolism , Aedes*/ultrastructure, Animals ; Microscopy, Electron, Scanning ; Dendrites/ultrastructure ; Sensilla/ultrastructure

Mast Cells, Pancreatic Stellate Cells, and Telocytes in Chronic Pancreatitis: Ultrastructural Study.

Authors: Chekmareva I Kostin A Paklina O et al.

Source: International journal of molecular sciences [Int J Mol Sci] 2025 Oct 19; Vol. 26 (20). Date of Electronic Publication: 2025 Oct 19.

Publication Type: Journal Article

Journal Info: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE

MeSH Terms: Mast Cells*/ultrastructure , Mast Cells*/metabolism , Mast Cells*/pathology , Telocytes*/ultrastructure , Telocytes*/metabolism , Telocytes*/pathology , Pancreatitis, Chronic*/pathology , Pancreatitis, Chronic*/metabolism , Pancreatic Stellate Cells*/ultrastructure , Pancreatic Stellate Cells*/metabolism , Pancreatic Stellate Cells*/pathology, Humans ; Male ; Middle Aged ; Female ; Fibrosis ; Adult ; Pancreas/ultrastructure ; Pancreas/pathology ; Aged ; Extracellular Matrix/metabolism ; Extracellular Matrix/ultrastructure

Beyond cysts - organization of epithelial networks in the murine thymus.

Authors: Vodopyanov S Gunther-Cummins L DesMarais S et al.

Source: Journal of cell science [J Cell Sci] 2025 Oct 15; Vol. 138 (20). Date of Electronic Publication: 2025 Oct 06.

Publication Type: Journal Article

Journal Info: Publisher: Company of Biologists Country of Publication: England NLM ID: 0052457 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1477-9137 (Electronic) Linking ISSN: 00219533 NLM ISO Abbreviation: J Cell Sci Subsets: MEDLINE

MeSH Terms: Thymus Gland*/ultrastructure , Thymus Gland*/cytology , Epithelial Cells*/ultrastructure , Epithelial Cells*/cytology , Epithelial Cells*/metabolism , Cysts*/pathology, Animals ; Mice ; Mice, Inbred C57BL ; Thymocytes/ultrastructure ; Epithelium/ultrastructure ; Organogenesis

Intraflagellar transport selectivity occurs within the proximal portion of the trypanosome flagellum.

Authors: Araujo Alves A Jung J Moneron G et al.

Source: The Journal of cell biology [J Cell Biol] 2025 Oct 06; Vol. 224 (10). Date of Electronic Publication: 2025 Aug 13.

Publication Type: Journal Article

Journal Info: Publisher: Rockefeller University Press Country of Publication: United States NLM ID: 0375356 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1540-8140 (Electronic) Linking ISSN: 00219525 NLM ISO Abbreviation: J Cell Biol Subsets: MEDLINE

MeSH Terms: Flagella*/metabolism , Flagella*/ultrastructure , Trypanosoma brucei brucei*/metabolism , Trypanosoma brucei brucei*/ultrastructure , Protozoan Proteins*/metabolism , Protozoan Proteins*/genetics, Microtubules/metabolism ; Microtubules/ultrastructure ; Axoneme/metabolism ; Axoneme/ultrastructure ; Biological Transport ; Protein Transport

Evaluation of canine epidermis and keratinocytoids (keratinocytic organoids) by transmission electron microscopy.

Authors: Lui CC Wiener DJ Groch KR et al.

Source: Veterinary dermatology [Vet Dermatol] 2025 Oct; Vol. 36 (5), pp. 696-702. Date of Electronic Publication: 2025 May 14.

Publication Type: Journal Article

Journal Info: Publisher: Blackwell Science Country of Publication: England NLM ID: 9426187 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1365-3164 (Electronic) Linking ISSN: 09594493 NLM ISO Abbreviation: Vet Dermatol Subsets: MEDLINE

MeSH Terms: Keratinocytes*/ultrastructure , Epidermis*/ultrastructure , Organoids*/ultrastructure, Animals ; Dogs/anatomy & histology ; Microscopy, Electron, Transmission/veterinary ; Keratins/ultrastructure

Ultrastructural characterization of bioaccumulation and migration of Ag nanoparticles in host-parasite organisms.

Authors: Rzayev F Gasimov E Nasirov A et al.

Source: Veterinary parasitology [Vet Parasitol] 2025 Oct; Vol. 339, pp. 110554. Date of Electronic Publication: 2025 Jul 29.

Publication Type: Journal Article

Journal Info: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 7602745 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-2550 (Electronic) Linking ISSN: 03044017 NLM ISO Abbreviation: Vet Parasitol Subsets: MEDLINE

MeSH Terms: Metal Nanoparticles*/chemistry , Metal Nanoparticles*/ultrastructure , Silver*/metabolism , Silver*/chemistry , Geese*/parasitology , Poultry Diseases*/parasitology, Animals ; Host-Parasite Interactions ; Bioaccumulation ; Liver/ultrastructure ; Liver/parasitology ; Intestines/parasitology ; Intestines/ultrastructure ; Intestines/pathology

Segmented ring-mesh model of glycosaminoglycan chains based on the 3D analysis of normal individual and musculocontractural Ehlers-Danlos syndrome skin using scanning transmission electron microscopy.

Authors: Takahashi N Hirose T Kametani K et al.

Source: Microscopy (Oxford, England) [Microscopy (Oxf)] 2025 Oct 01; Vol. 74 (5), pp. 358-366.

Publication Type: Journal Article

Journal Info: Publisher: Oxford University Press Country of Publication: England NLM ID: 101595834 Publication Model: Print Cited Medium: Internet ISSN: 2050-5701 (Electronic) Linking ISSN: 20505698 NLM ISO Abbreviation: Microscopy (Oxf) Subsets: MEDLINE

MeSH Terms: Ehlers-Danlos Syndrome*/pathology , Glycosaminoglycans*/chemistry , Glycosaminoglycans*/ultrastructure , Skin*/ultrastructure , Skin*/pathology, Humans ; Collagen/ultrastructure ; Microscopy, Electron, Scanning Transmission/methods ; Imaging, Three-Dimensional/methods ; Dermis/ultrastructure ; Dermis/pathology ; Female

Multiscale structure of chromatin condensates explains phase separation and material properties.

Authors: Zhou H Huertas J Maristany MJ et al.

Source: Science (New York, N.Y.) [Science] 2025 Dec 04; Vol. 390 (6777), pp. eadv6588. Date of Electronic Publication: 2025 Dec 04.

Publication Type: Journal Article

Journal Info: Publisher: American Association for the Advancement of Science Country of Publication: United States NLM ID: 0404511 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-9203 (Electronic) Linking ISSN: 00368075 NLM ISO Abbreviation: Science Subsets: MEDLINE

MeSH Terms: Nucleosomes*/chemistry , Nucleosomes*/ultrastructure , Chromatin*/chemistry , Chromatin*/ultrastructure , Biomolecular Condensates*/chemistry , Biomolecular Condensates*/ultrastructure, Molecular Dynamics Simulation ; Cryoelectron Microscopy ; Histones/chemistry ; Electron Microscope Tomography ; DNA/chemistry ; DNA/ultrastructure ; Animals ; Humans ; Thermodynamics ; Phase Separation

Molecular mechanism of PINK1 regulation by the Hsp90 machinery.

Authors: Tian X Su J Wang Z et al.

Source: Nature communications [Nat Commun] 2025 Dec 01; Vol. 16 (1), pp. 10801. Date of Electronic Publication: 2025 Dec 01.

Publication Type: Journal Article

Journal Info: Publisher: Nature Pub. Group Country of Publication: England NLM ID: 101528555 Publication Model: Electronic Cited Medium: Internet ISSN: 2041-1723 (Electronic) Linking ISSN: 20411723 NLM ISO Abbreviation: Nat Commun Subsets: MEDLINE

MeSH Terms: HSP90 Heat-Shock Proteins*/metabolism , HSP90 Heat-Shock Proteins*/chemistry , HSP90 Heat-Shock Proteins*/ultrastructure , HSP90 Heat-Shock Proteins*/genetics , Protein Kinases*/metabolism , Protein Kinases*/chemistry , Protein Kinases*/genetics , Protein Kinases*/ultrastructure, Humans ; Cryoelectron Microscopy ; Cell Cycle Proteins/metabolism ; Cell Cycle Proteins/chemistry ; Cell Cycle Proteins/ultrastructure ; Chaperonins/metabolism ; Chaperonins/chemistry ; Protein Binding ; Models, Molecular