A practical treatise on the diseases of the testis : and of the spermatic cord and scrotum / by T.B. Curling.
- Curling, Thomas Blizard, 1811-1888.
 
- Date:
 - 1856
 
Licence: Public Domain Mark
Credit: A practical treatise on the diseases of the testis : and of the spermatic cord and scrotum / by T.B. Curling. Source: Wellcome Collection.
Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)
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![parietes of the canal are strong and bear considerable resistance. The canal of the epididymis terminates in the excretory duct of the testis, the vas deferens, and is usually contracted at the part where the two join. It was calculated by Monro that the semen before arriving at the vas deferens traverses a tube forty-two feet in length. Lauth, however, makes the whole distance but little more than twenty-two feet. [The annexed drawing is made from a mercurial injection of the testicle, by J. P. Hopkinson, and given by him to the University of Pennsylvania. It is laid open so that the rete testis is in the centre. It shows well the tubuli seminiferi on each side, the vasa recta, the rete testis, the coni vasculosi, &c. It seemed to possess no vasculum aberrans.] Vasculum aberrans. —This name was given by Haller to a blind duct or csecal appen- dage often found con- nected either to the epi- didymis or vas deferens. It is more commonly at- tached at the angle formed by the termina- tion of the former in the latter. (See Figs. 2 and 3 h.) It forms a con- voluted duct as large as the canal of the epididy- mis, which is contracted at its insertion, and terminates in a blind and often dilated extremity. Sometimes after being dilated for a certain distance it diminishes, and becoming very minute, is lost in the cellular tissue of the cord. It usually passes up the cord for about two or three inches, but has been found to extend as far up as the brim of the pelvis. The length of this appendage when un- ravelled varies from one to twelve or fourteen inches. The vascu- lum aberrans is not constantly present; indeed Monro found it Qpv^ '•■■¥' /:](https://iiif.wellcomecollection.org/image/b21112526_0041.jp2/full/800%2C/0/default.jpg)