Gannon P J, Eden A R
Brain Res. 1987 Feb 24;404(1-2):257-62. doi: 10.1016/0006-8993(87)91376-x.
The innervation of the tensor tympani muscle of the middle ear in Macaca fascicularis (cynomolgus monkey) was studied using the horseradish peroxidase (HRP) neural tracing technique. A compact column of small trigeminal motoneurons was labeled ipsilaterally following intramuscular application of HRP to the tensor tympani muscle. This column is located ventral and lateral to the dorsolateral division of the trigeminal motor nucleus, and just medial to the descending trigeminal nerve rootlets. No labeled neurons were present in the trigeminal mesencephalic nucleus or any other brainstem nucleus. Results are compared with those previously reported in several non-primate mammalian species, and in detail with that of the cat. A possible differential role of the tensor tympani muscle in acoustic modulation/middle ear aeration between primate and non-primate mammals is discussed.
采用辣根过氧化物酶（HRP）神经追踪技术，对食蟹猴（猕猴）中耳的鼓膜张肌神经支配进行了研究。将HRP肌肉内注射到鼓膜张肌后，同侧标记出了紧密排列的一小群三叉神经运动神经元。这群神经元位于三叉神经运动核背外侧部的腹侧和外侧，恰好在三叉神经降根内侧。在三叉神经中脑核或任何其他脑干核中均未发现标记神经元。将结果与先前在几种非灵长类哺乳动物物种中报道的结果进行了比较，并与猫的结果进行了详细比较。讨论了鼓膜张肌在灵长类和非灵长类哺乳动物的声学调制/中耳通气中的可能差异作用。
