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In other mammals, the wavelike peristalsis of the intestinal muscles are consistent in all directions.

The nervous-immune connection is intriguing in light of recent research suggesting that chemical cross talk between gut macrophages and nerve fibers can control peristalsis, the process that moves food through the digestive tract.

They can, for example, be made to mimic physiological properties such as tissue stretching, pulsation and peristalsis.

This motion mimics how our intestines and esophagus move food around our body — a process known as peristalsis.

Actomyosin, a protein complex responsible for cellular contractions, was responsible for the fat cells’ wormlike propulsion, called peristalsis, the scientists found.