The essential structures of articulation(synovial joint) consists of , and .

填空题The parietal pleura is divided into four portions: , and the mediastinal pleura and the cupula of pleura.

填空题The superior orbital fissure communicates with the orbit and transmits , , and the ophthalmic nerve.

填空题The pharynx may be divided into three parts: , and .

多项选择题脊髓前索内有（ ）

多项选择题延髓内有（）

A．舌下神经核
B．迷走神经背核
C．面神经核
D．孤束核
E．上泌涎核