Dubbeldam J L, Karten H J, Menken S B
J Comp Neurol. 1976 Dec 15;170(4):415-20. doi: 10.1002/cne.901700402.
The central projections of the chorda tympani nerve in the duck were studied by means of the Fink-Heimer technique. Following section of the VIIth nerve proximal to the geniculate ganglion terminal projections of the CT are found in the sensory nucleus N VII (sVIId) on the dorsum of the descending trigeminal root, the n. presulcalis anterior solitarii, the n. sulcalis anterior solitarii p. dorsalis and p. ventralis, and the n. ventrolateralis anterior solitarii (Vla). Small quantities of terminal degeneration are also found in the n. intermedius anterior and the lateral substantia gelatinosa of the solitary complex. A number of fibers decussate to terminate contralaterally in corresponding portions of the opposite solitary complex. Comparison with data of the pigeon reveals a limited overlap of projections of the chorda tympani nerve and of the nodose ganglion, respectively, in the dorsal and ventral parts of the n. sulcalis anterior. We suggest that the regions sVIId and Vla alone may convey gustatory information.
采用芬克-海默技术研究了鸭鼓索神经的中枢投射。在膝状神经节近端切断第七对神经后，在三叉神经根降支背侧的感觉核N VII（sVIId）、孤束前沟神经、孤束前沟神经背侧和腹侧支以及孤束前外侧神经（Vla）中发现了鼓索神经的终末投射。在中间前神经和孤束复合体的外侧胶状质中也发现了少量终末变性。一些纤维交叉并终止于对侧孤束复合体的相应部位。与鸽的数据比较显示，鼓索神经和结状神经节的投射在孤束前沟神经的背侧和腹侧部分分别有有限的重叠。我们认为，仅sVIId和Vla区域可能传递味觉信息。
