Fig. 3From: An in vitro confirmation of the ethonopharmacological use of Senna plants as anthelmintic against rumen fluke Paramphistomum gracileHistological micrograph of Paramphistomum gracile tegument. a Control parasite: Smooth tegument (TG) with alternating grooves and folds, anterior sucker (AS), acetabulum (AC) adjacent to ovary (O) and testis (T) and a gonopore (GP); b Senna alata, c Senna alexandrina and d Senna occidentalis treatment: Body tegument with deepened grooves and increase in folds. Shrinkage in anterior sucker (AS) and acetabulum (AC). All magnification at 4XBack to article page