Fig. 4From: Trichuris trichiura isolated from Macaca sylvanus: morphological, biometrical, and molecular studyFactor maps corresponding to adult Trichuris sp. Samples are projected onto the first (PC1) and second (PC2) principal components. Each group is represented by its perimeter. a Males factor map. PC1: 57% and PC2: 35%. b Females factor map. PC1: 81% and PC2: 18%Back to article page