Sentence:  Here, we show that MARCO was internalized either by ruffling of plasma membrane followed by macropinocytosis or by endocytosis followed by fusion with autophagosome in CHO-K1 cells stably transfected with GFP-MARCO. The <WSD>macropinocytic</WSD> process generated large vesicles when the plasma membrane subsided. 
Meaning of the word marked with <WSD> tags:  relating to a macropinosome