The density of vessels and vessel plexuses in the neck and trunk is higher than that of the legs.
躯干和颈部的血管密度高，血管网丰富而层次清楚，而四肢的血管密度低，血管网稀而层次少。
2
The distribution and structure of the cardiac ganglia and nerve plexuses of 8 Pekin ducks were studied by using methods of gross anatomy and histology.
以大体解剖和组织切片方法观察了8例北京鸭的心神经丛和心神经节的分布与构造。
3
The ventral trunk forms plexuses, and distribute to the end of the oesophagus, the diaphragmatic surface of the stomach, the liver, the pancreas and the beginning part of the duodenum.