RahulShingte Posted December 18, 2016 Share Posted December 18, 2016 Why cant RBCs diffuse across other cell membrane just like other cells ? This question has been bugging me for days and I've scratched my head way too much🙈😹 . I read about it and about the interstitial fluid in the tissues could be the reason why they don't diffuse in tissue cell membrane.. but I'm not just satisfied so can anyone please help,? Link to comment Share on other sites More sharing options...
jimmydasaint Posted December 18, 2016 Share Posted December 18, 2016 I am confused my friend. Which cells diffuse through other cells? Please clarify and more people will answer. Link to comment Share on other sites More sharing options...
_Rick_ Posted December 19, 2016 Share Posted December 19, 2016 Because red blood cells are huge comparatively? Link to comment Share on other sites More sharing options...
StringJunky Posted December 19, 2016 Share Posted December 19, 2016 I think only molecules can pass through membranes that are small enough. Link to comment Share on other sites More sharing options...
Function Posted December 24, 2016 Share Posted December 24, 2016 I'm also a bit confused. Only thing I can think of, but that wouldn't be transmembraneous diffusion, but transepitheliar "diffusion", is the invasion of enteric/colic bacteria; think of Salmonella spp. inducing broadening of transepitheliar gaps between the epithelium of your intestines to enter the body and cause mayhem. Link to comment Share on other sites More sharing options...
jbn22 Posted January 7, 2017 Share Posted January 7, 2017 Why cant RBCs diffuse across other cell membrane just like other cells ? This question has been bugging me for days and I've scratched my head way too much . I read about it and about the interstitial fluid in the tissues could be the reason why they don't diffuse in tissue cell membrane.. but I'm not just satisfied so can anyone please help,? Â RBCs do not have the necessary receptors to mediate transendothelial migration (unlike, for example, Leukocytes). Bear in mind that leukocytes also do not migrate through the cells but much rather find a gap between the cells. See the schematic below: Â Link to comment Share on other sites More sharing options...
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