【医】 脐尿管褶

circular folds【解剖】;plicae circulares【解剖】;valvulae conniventes【动】

peritoneal folds【解剖】;plicae peritonei【解剖】;

Kerckring folds

salpingopharyngea1 folds.

Lange folds

zig-zag folds

layered products characterised by folds at the edge of the corner

giant folds, giant ruga