Ganchrow D, Gentle M J, Ganchrow J R
Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Israel.
Brain Res Bull. 1987 Aug;19(2):231-8. doi: 10.1016/0361-9230(87)90088-8.
The central afferent distribution and the origins of visceromotor and somatomotor components of greater superficial petrosal (GSP), chorda tympani (CT), and hyomandibular (Hy) branches of the facial nerve were analyzed by the transganglionic and retrograde transport of horseradish peroxidase. Labelled sensory afferent fascicles of the GSP collected dorsomedial to the spinal trigeminal complex and passed caudally as the tractus solitarius. Fine-grain terminal fields were evident in ipsilateral n. sensorius n. facialis, nuclei ventrolateralis anterior (Vla), centralis anterior and presulcalis anterior of the solitary complex, and n. glossopharyngei et n. motorius dorsalis nervi vagi (n. IX-X). Minor contralateral projections to these nuclei occasionally were observed. CT sensory afferents exhibited similar ipsilateral projections, and specifically, the projection to Vla was qualitatively sparser than that from the GSP. Small multipolar and spindle-shaped somata of visceromotor n. salivatorius were labelled retrogradely from the GSP and CT. Large, oval somatomotor cells of the three subdivisions of the facial motor nucleus were labelled retrogradely from Hy, with no evidence of sensory afferent or visceromotor connections.
通过辣根过氧化物酶的跨节和逆行运输，分析了面神经的岩大浅神经（GSP）、鼓索神经（CT）和舌下颌神经（Hy）分支的中枢传入分布以及内脏运动和躯体运动成分的起源。GSP标记的感觉传入束在三叉神经复合体背内侧收集，并作为孤束向尾侧走行。在同侧的面神经感觉神经、腹外侧前核（Vla）、孤束复合体的中央前核和前沟前核以及舌咽神经和迷走神经背运动核（第IX-X神经）中可见细颗粒终末场。偶尔观察到对这些核的少量对侧投射。CT感觉传入显示出类似的同侧投射，具体而言，向Vla的投射在性质上比来自GSP的投射稀疏。内脏运动的唾液分泌核的小多极和梭形细胞从GSP和CT逆行标记。面运动核三个亚群的大的椭圆形躯体运动细胞从Hy逆行标记，没有感觉传入或内脏运动连接的证据。
