PX_ receptor immunoreactive fibers were seen to enter the pharyngeal base, then diverge to the taste bud and terminate in a nerve plexus at the base of the taste buds of pharyngeal epithelium.
PX_ receptor immunoreactive fibers were seen to enter the pharyngeal base, then diverge to the taste bud and terminate in a nerve plexus at the base of the taste buds of pharyngeal epithelium.
PX 受体多在咽部粘膜上皮味蕾内的神经终末表达,PX 受体阳性纤维在粘膜基底部形成纤维束并与粘膜下PX 受体阳性纤维相连,其分支在味蕾基底部形成神经丛,由神经丛发出神经终末到达顶部的味孔和味蕾各部,未见味蕾细胞表达PX 受体。