The meaning of Mesenteronic and additional information.

Mesenteron(n.) All that part of the alimentary canal which is developed from the primitive enteron and is lined with hypoblast. It is distinguished from the stomod/um, a part at the anterior end of the canal, including the cavity of the mouth, and the proctod/um, a part at the posterior end, which are formed by invagination and are lined with epiblast.