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Med J Armed Forces India
December 2022
Associate Professor (Pediatric Surgery), Maulana Azad Medical College, MAMC Campus, New Delhi, India.
Magnetic foreign body ingestion poses a threat especially if more than one is ingested. If consumed alone, small magnetic foreign bodies are likely to pass without significant event; however, when multiple magnets are ingested, they can be attracted to each other through the intestinal wall, which may lead to serious consequences and complications, including bowel perforation, obstruction, peritonitis, and death. We report a case of a 2-years male child patient presented with multiple small round magnetic beads ingestion from a magnetic pendant that appeared like a necklace pearl after conglomeration on abdominal radiograph.
View Article and Find Full Text PDFInvestigating flock-associated mimicry: examining the evidence for, and drivers of, plumage mimicry in the greater and lesser necklaced laughingthrush.
R Soc Open Sci
April 2024
Department of Health and Environmental Sciences, Xi'an Jiaotong-Liverpool University, Suzhou, Jiangsu 215123, People's Republic of China.
Visual mimicry is less understood in birds than in other taxa. The interspecific social dominance mimicry (ISDM) hypothesis asserts that subordinate species resemble dominant ones to reduce aggression. Plumage mimicry has also been consistently noted in mixed-species flocks (MSFs), suggesting a connection to grouping behaviour, although it is unclear whether this is linked to ISDM.
View Article and Find Full Text PDFForeign Body in the Nasal Cavity: A Case Report.
Cureus
December 2023
Otolaryngology-Head and Neck Surgery, Armed Forces Hospital Southern Region, Khamis Mushait, SAU.
We present a case of a pediatric patient who presented to the emergency room with acute nasal discharge, foul smell, and nasal pain. The patient's mother witnessed her inserting a foreign body into the nasal passage. After thorough examination and diagnostic imaging, a metallic necklace bead was identified as the foreign body lodged in the nasal cavity.
View Article and Find Full Text PDFCentriole and transition zone structures in photoreceptor cilia revealed by cryo-electron tomography.
Life Sci Alliance
March 2024
Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, Houston, TX, USA
Primary cilia mediate sensory signaling in multiple organisms and cell types but have structures adapted for specific roles. Structural defects in them lead to devastating diseases known as ciliopathies in humans. Key to their functions are structures at their base: the basal body, the transition zone, the "Y-shaped links," and the "ciliary necklace.
View Article and Find Full Text PDFThe organ-intrinsic nervous system is a major interface between visceral organs and the brain, mediating important sensory and regulatory functions in the body-brain axis and serving as critical local processors for organ homeostasis. Molecularly, anatomically, and functionally, organ-intrinsic neurons are highly specialized for their host organs. However, the underlying mechanism that drives this specialization is largely unknown.
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