3.The central nervous systeM consisted of brain, suboesophageal ganglion and ventral nerve-cord, and the differentiations aMong protocerebruM, deutocerebruM and tritocerebruM were obvious.
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。
4.Seeds elliptic, base sharp, apex retuse, back chalazal knot zonate, with transverse and obtuse ribs, ventral holes furrowed from upper middle to apex.
种子椭圆形,基部尖锐,先端微凹,具环纹的背种脐,具横裂和钝肋,腹面洞棱槽从上面中间到先端。
5.In the posterior segment, its dorsoventral axis was the longest, and could be divided into two parts: the dorsal and the ventral parts.
后段的背腹径最长,可分为背部和腹部,两部分的细胞分界清晰。
6.It receives dopaminergic innervations from ventral tegment area and SNc, and noradrenergic and serotonergic innervations from the locus ceruleus (LC) and dorsal raphe nucleus (DRN), respectively.