Effects of cafeteria diet on the jejunum in sedentary and physically trained rats.

Objective: The effects of a cafeteria diet on the small intestine were investigated in adult Wistar rats under sedentary conditions and after physical training.

Methods: Parameters including morphometry, enzyme activities, and total myenteric populations in the jejunum were evaluated.

Results: The cafeteria diet, characterized as hyperlipidic, produced obese rats, corroborated by increases in the Lee index and the weights of the periepididymal and retroperitoneal adipose tissues (P<0.