描述Illu repdt male erect.jpg	English: Diagram of a cross-section of the human male reproductive system showing an erect penis.
日期	Originally uploaded to en.wikipedia on 19 January 2007.
来源	Modified from a US Government Medical Diagram from http://training.seer.cancer.gov/module_anatomy/unit12_2_male.html; transferred from en.wikipedia to Commons by Jacklee using CommonsHelper.
作者	US Federal Government; original uploader was NightFlyer at en.wikipedia.
授权 (二次使用本文件)	PD-USGOV.
其他版本

	This image is a work of the National Institutes of Health, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. Please ensure that this image was actually created by the US Federal government. The NIH frequently uses commercial images which are not public domain.
本文件已被确认为免除已知的著作权法限制（包括所有相关权利）。

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse

• 2007-01-19 22:22 NightFlyer 364×253×8 (21521 bytes) I have modified this U.S. Government Medical Diagram of the male reproductive system to a version with an erected penis. The original file may be found at this URL : http://training.seer.cancer.gov/module_anatomy/unit12_2_male.html