[د. محمد رأفت عثمان]

صور توضيحية

http://medpics.ucsd.edu/index.cfm?cu...son=33&img=584
https://jb004.k12.sd.us/my%20website...S/adipose1.jpg
http://news.sciencemag.org/sites/def...?itok=-kt8P9QL
http://media.trb.com/media/photo/2008-05/39433626.jpg
http://www.google.com/imgres?imgurl=...fgbAF&tbm=isch
http://www.google.com/imgres?imgurl=...fgbAF&tbm=isch