Vietnam or Thailand? Vote for the TOP Country of the Week!
Want to type faster? Practice with a typing test or have fun with typing games!
Updated: August 6, 2026
I show you here two figures, the first, as far as I know, in which these structures are depicted. It does not concern us who first discovered them; they had doubtless been seen before, but Fabricius first recognized them as general structures in the venous system, and he called them little doors "ostiola."
Word Of The Day
Others Looking