noun, plural mes·en·ter·a [mes-en-ter-uh, mez-] /mɛsˈɛn tər ə, mɛz-/.
Related formsmes·en·ter·on·ic, adjective
Examples from the Web for mesenteron
The hypoblastic walls of the mesenteron appear to be formed in the first instance laterally (fig. 189 B and C, hy).
In the Tracheata the mesenteron is always considerable, and the proctodum is always short.The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
Renal excretory caeca (Malpighian tubes) are developed from the proctodaeum (not from mesenteron as in scorpion and Amphipoda).
The mouth finally becomes closed, and the sack itself then forms the mesenteron.
From the mesenteron there might be pouch-like or tubular outgrowths.The Appendages, Anatomy, and Relationships of Trilobites|Percy Edward Raymond