Cite
 

Meaning of mesogastrium

mes•o•gas•tri•um

Pronunciation: (mez"u-gas'trē-um, mes"-, mē"zu-, -su-), [key]
— pl. -tri•a
  1. the mesentery of the embryonic stomach.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.