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1·The motor neurons of pharyngeal musculature are located in the nucleus ambiguus.

支配咽肌的运动神经元位于疑核，控制凝核的前运动神经元位于孤束核。

2·SP positive cell bodies in the reticular formation close ventrolateral to nucleus ambiguus were also found.

SP阳性细胞还见于疑核腹外侧紧邻的网状结构中。

3·Nucleus ambiguus (NA) is an important visceral and somatic motor nucleus which establishes widely connections with the central nervous system and peripheral organs.

疑核是重要的内脏运动核和躯体运动核，它与中枢神经系统和外周器官建立了广泛的神经联系。