antiperistalsis an·ti·per·i·stal·sis (ān'tē-pěr'ĭ-stôl'sĭs, -stāl'-, ān'tī-)
n.
See reversed peristalsis.
antiperistaltic an·ti·per·i·stal·tic (ān'tē-pěr'ĭ-stôl'tĭk, -stāl'-, ān'tī-)
adj.
Of or relating to antiperistalsis.
Impeding or arresting peristalsis.