The same group glands or a single gland show different intensely staining neutral mucopolysaccharide(NMPS) and an intensely staining acid mucopolysaccharide(AMPS).

• 经染色表明腺体含有中性粘多糖(NMPS)和酸性粘多糖(AMPS)；同一批腺体；甚至同一个腺体两种类型糖类的染色状况有异.