from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The middle section of the digestive tract in a vertebrate embryo from which the ileum, jejunum, and portions of the duodenum and colon develop. Also called mesenteron.
- n. The middle portion of the digestive tract of certain invertebrates, such as arthropods, lined with an enzyme-secreting tissue and serving as the main site of digestion and absorption.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The central loop of the alimentary canal of an embryo between the foregut and the hindgut
from the GNU version of the Collaborative International Dictionary of English
- n. The middle part of the alimentary canal from the stomach, or entrance of the bile duct, to, or including, the large intestine.
from The Century Dictionary and Cyclopedia
- n. See gut and mesogaster.
Sorry, no etymologies found.