Having a simple single-chambered stomach.(adjective)
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Use "monogastric" in a sentence
"Several species of monogastric mammals (i.e., those having a stomach with only one compartment) circumvent the problem of cold and the scarcity of food in winter by hibernating."
"Unlike monogastric species they have to remain active to feed continuously throughout winter."
"Mink are monogastric animals with a digestive tract more similar to that of humans than that of rodents as there is no cecum at the junction of the small and large intestine."