
革蘭氏染色劑
Microscopically, a gram stain reveals gram-negative diplococci within a neutrophil, typical for Neisseria meningitidis.
在顯微鏡下,革蘭氏染色顯示中性粒細胞内有革蘭氏陰性雙球菌,這是腦膜炎奈瑟氏球菌的典型特征。
I immediately performed some tongue mucus smears with Gram stain, and found they were positive for Staphylococcus!
我立即進行革蘭氏染色一些舌粘液塗片,發現他們對金黃色葡萄球菌陽性!
Microscopically, a gram stain reveals gram negative diplococci within a neutrophil, typical for Neisseria meningitidis.
顯微鏡下,中性粒細胞内可見的革蘭氏染色陰性的雙球菌,為腦膜炎奈瑟球菌。
Methods Aggregate analysis was performed by applying normal sodium smear test under microscope associated with Gram stain and bacterial culture.
方法用生理鹽水塗片直接鏡檢結合革蘭染色與培養結果進行綜合分析。
This tissue gram stain of an acute pneumonia demonstrates gram positive cocci that have been eaten by the numerous PMN's exuded into the alveolar space.
革蘭氏染色顯示大量滲出到肺泡腔的嗜中性粒細胞吞噬了革蘭陽性菌。
革蘭氏染色法(Gram stain)是一種廣泛應用于微生物學領域的細菌鑒别染色技術,由丹麥科學家漢斯·克裡斯蒂安·革蘭(Hans Christian Gram)于1884年開發。該方法通過染色反應将細菌分為革蘭氏陽性菌(Gram-positive)和革蘭氏陰性菌(Gram-negative)兩大類,其原理基于細菌細胞壁的結構差異。
染色過程與機制
科學意義與應用
該方法至今仍是臨床實驗室和基礎研究的核心工具,其有效性已通過超過一個世紀的實踐驗證。
Gram stain(革蘭氏染色)是一種微生物學中廣泛使用的染色技術,由丹麥細菌學家漢斯·克裡斯蒂安·革蘭(Hans Christian Gram)于1884年發明。它通過區分細菌細胞壁的差異,将細菌分為革蘭氏陽性菌(Gram-positive)和革蘭氏陰性菌(Gram-negative)兩大類,對臨床診斷和抗生素選擇具有重要意義。
染色過程
細胞壁差異
若需更深入的實驗操作細節或曆史背景,建議查閱微生物學教材或權威數據庫。
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