腹神经索

背侧不成对中间神经元（DUM）是一类位于多种昆虫腹神经索神经节背侧的神经元，能自发产生内源性超射动作电位。

The efferent dorsal unpaired median ( DUM ) neurons locate along the dorsal midline of many ganglion of the insect ventral nerve cord .

神经系统有脑神经，它通过联接环与双股的腹神经索相连。剪力环（螺栓联接）

The nervous system has cerebral ganglia which are linked to a double ventral nerve cord by a connecting ring .

结果：致倦库蚊幼虫中枢神经系统是由脑和位于消化道腹面的腹神经索构成。

Results : the central nervous system of Culex quinquefasciatus larvae includes brain and the ventral ganglions .

前、中、后脑分化明显，腹神经索包括三对胸神经节、五对腹神经节及纵贯各神经节的神经索；

Ventral nerve-cord consists of three pairs of thoracic ganglia , five pairs of abdominal ganglia and connectives between ganglia .

其中枢神经系统由脑、食管下神经节、腹神经索组成，前、中、后脑分化明显。

The central nervous system consisted of brain , suboesophageal ganglion and ventral nerve-cord , and the differentiations among protocerebrum , deutocerebrum and tritocerebrum were obvious .

腹神经索包括食道下神经节，3对胸神经节和8对腹神经节。

And the ventral nerve cords located under the ventral of digestive tract , including the suboesophageal ganglion , three pairs of thoracic ganglions and eight pairs of abdominal ganglions .

腹交感神经系统由位于腹神经索各神经节上的横神经组成。

The ventral sympathetic nervous system was composed of transverse nerves connected with ganglia .