【摘要】 观测成人男性躯干骨100套.在椎骨、胸骨、肋骨、骶骨等部,有异常骨愈合或变异者79例.测量了寰椎横突后管和寰椎后椎动脉管的各径.更多还原

【Abstract】 This paper presents the results ofmeasurement on the genital organsof 200 young men at the average ageof 22.5.The left testis averages16.9ml and the right one 19.6ml withthe drainage method.The penis len-gth in natural appearance is 7.1cmand the perimeter is 7.8cm;In erectionthe penis length is 13.0cm and theperimeter is 11.2cm.There is nocorrelation between the body heightand the penis length and perimeter,both in the natural condition and inthe erection.However.there are signifi-cantly negative correlations betweenthe variable value of length and thepenis length,between the variablevalue of perimeter and the penisperimeter in the natural,and betweenthe length and variable perimeter.更多还原