The pupil controls how much light enters the eye, allowing for clear vision. In low light, pupils widen to let in more light, and in bright light, they narrow to prevent too much light from entering.

An eGFR below 60 ml/min indicates possible kidney disease. High creatinine levels in the blood can suggest the kidneys are not working well. A urine albumin result higher than 30 mg/gram may be a sign ...

Introduction: Variation in melanin deposition profoundly influences the economic value of Sichuan mountainous black-boned chickens; however, the contribution of the gut microbiome in modulating this ...

Background: Healthcare-associated infections (HAIs) remain a critical issue for healthcare systems worldwide, contributing significantly to increased morbidity, mortality, and healthcare costs.

氨氮浓度对杂交鲟肠道菌群及组织结构的影响研究。实验显示低浓度（1mg/L）显著增加拟杆菌门（+49.5%），降低蛋白菌门（-46.8 ...

口腔-肠道微生物互作通过细菌外泌体（BEVs）和病原体迁移影响牙周炎及炎症性肠病发展，BEVs介导屏障破坏、炎症信号通路激活及肿瘤微环境调控。Akkermansia muciniphila等益生菌及其BEVs在修复屏障、抑制炎症及骨代谢调控中展现潜力，但BEVs异质性和系统性影响仍需 ...

Scientists analysed tiger faecal samples from five reserves and found that each population carries a distinct gut microbiome. Microbial communities varied with season and with levels of human ...