immune cells prey on bacteria that have invaded the body. macrophages, white blood cells. - 抗體 個影片檔及 b 捲影像00:11
viruses: what they are and how they work - part 24 of 31. the urgent need to find a cure for aids and cancer has pushed scientists to try to unlock the mysteries of viruses. viewers discover how viruses can invade, alter, and destroy healthy cells. they a - 抗體 個影片檔及 b 捲影像00:31
antibody test introduced by national blood transfusion service; b) england: london: edgware national blood transfusion service:three male patients... - 抗體 個影片檔及 b 捲影像00:13捐血
glass-like antibody structures showcasing complex interactions in a scientific setting. 3d animation - 抗體 個影片檔及 b 捲影像00:10
top down view laboratory technician performing blood type test with circular motion mixing on slide for hematology diagnosis 혈액형 검사 agglutination blutgruppenbestimmung test full hd - 抗體 個影片檔及 b 捲影像00:07捐血, 體檢
blue microscopic view of transparent glass-antibodies against a soft gradient background - 抗體 個影片檔及 b 捲影像00:10
expectant mother prepares to receive covid-19 vaccine during prenatal visit - 抗體 個影片檔及 b 捲影像00:18女人, 注射疫苗
antibody test introduced by national blood transfusion service; libmiddlesex hospital virology laboratory:cbv bottles on tray being taken from fridge... - 抗體 個影片檔及 b 捲影像00:18女人
antibody test introduced by national blood transfusion service; libearl's court:eveningbv men along street l-r to pub men along r-l cas ex eng/libtx... - 抗體 個影片檔及 b 捲影像00:13