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To the Editor:
—In the Current Comment on "The Function of the Prostate" (The Journal, Feb. 17, 1917, p. 553), it is stated that "it has been noted that the spermatozoa are practically motionless while in the seminiferous tubules of the testis, but become actively motile in the vas deferens, or when mixed with prostatic secretion."The statement that spermatozoa are motionless in the testicle and epididymis, and do not gain motion till they have left these organs, has been copied for years from one textbook into another, and will probably be repeated without investigation or challenge for some time to come, although it is incorrect.Several years ago, while investigating the subject of sterility in both sexes, I frequently aspirated the testicle in both normal and pathologic cases, and found normal moving spermatozoa in the aspirated fluid thus obtained. I have called attention to this fact emphatically in my
Hühner M. MOTILITY OF SPERMATOZOA. JAMA. 1917;LXVIII(18):1340. doi:10.1001/jama.1917.04270050042024