Table 1. Histochemical staining reactions of accessory genital mass

Accessory genital mass	Alcian blue pH 2.5	Alcian bule pH 1.0	PAS	Toluidine blue
Albumen gland	-	-	++	Blue
Membrane gland	+	++	+	Violet
Mucous gland	+	++	++	Violet-red

Not stained,
Weakly stained,
Moderately stained,
Brightly stained (PAS periodic acid-Shiff)