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.
The most important organ in the crustacean is what biologists call the midgut gland or hepatopancreas, and what the rest of us usually call the “liver.”
The midgut is the next part of the gut, which the food passes through.
The midgut is the first major region of the body where blood and microbes ingested with the blood meal come in contact with the tick's internal tissues.
There could be other targets, but the midgut is a major target. "
Hypotonic urine, to aid osmoregulation, is produced with needed ions being reabsorbed in the midgut.
Digestion occurs in the midgut and waste is passed out of the hindgut.
Undigested food accumulates in the midgut and is absorbed by the hemolymph.
The major difference between the two bacteria appears to be an extrachormosomal gene coding an enzyme in Y. pestis that enables this bacterium to thrive in the flea's midgut.
The mainly muscular “tail” of the shrimp amounts to about two-thirds of its body weight, so producers often separate it from the flavorful “head” and its midgut enzymes, which can accelerate spoilage.
YEN, D.F. and PENG, W.K. (1986) Defence reaction of midgut epithelial cells in the rice moth larvae Corcyra cephalonica infected with Bacillus thuringiensis.