Neutrophils (IMAGE) Universidad Carlos III de Madrid Caption 中性粒细胞聚集于流感病毒感染后的肺泡腔内。图像比例尺为50纳米(1纳米为百万分之一毫米)。 Credit Iván Ballesteros / CNIC。 Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.