Regions Histochemical Stains
    AB PAS XYLIDENE PONCEAU
Infundibulum Epithelium - - ±
Uterine Tube Epithelium + + -
  Glands - ± +
Isthmus Epithelium + + -
  Glands - - +
Uterus Epithelium - - ±
  Glands ± ± +
Vagina Epithelium ± ± ±
  Gland + + ±
  Epithelium      
Table 1: Histochemical reactions of epithelium and glands from different regions of the oviduct of P. geoffroannus.