A． at the internal urethral orificeB．at the external or……

多项选择题he contents of carotid triangle include （）.

A．common carotid a. and its branches
B．internal jugular v. and its tributaries
C．hypoglossal n.
D．vagus nerve
E．accessory nerve

多项选择题The structures can be seen in coronal section of kidney are （）.

A．renal column
B．renal pyramid
C．renal cortex
D．minor renal calices
E．major renal calices

多项选择题Upper digestive tract consists of （）.

A．duodenum
B．esophagus
C．oral cavity
D．pharynx
E．stomach

多项选择题Inguinal canal：（）.

A．the anterior wall is aponeurosis of obliquus externus abdominis
B．the inferior wall is inguinal ligament
C．the posterior wall is transverse fascia only
D．the superior wall is obliquus internus abdominis and transversus abdominis
E．in female, the round lig. of uterus pass through it

多项选择题Anterior to the root of the right lung are （）.

A．right phrenic n.
B．superior vena cava
C．ascending aortic a.
D．right vagus n.
E．right pericardiacophrenic vessels