I saw them thus as the result of examining a great many viscera …..The bladder has a lower but no upper mouth and the lower door is connected with the ching (penis). The lower opening of the seminal road ching-tao enters the ching.The seminal road in. the female is called the uterus. The seminal road connects above with the wei-tsung vessel and the spine.
[Wang Qingren (1768-1831), Yi Lin Gai Cuo (Correction des erreurs médicales, 1830), traduction John Dudgeon (1893)].