. The anatomy and physiology of the human body. Containing the anatomy of the bones, muscles, and joints; and the heart and arteries . ea,which can be easil\- traced, reflected off from the loins at C ;again, D is the portion of the peritoneum, which having de-scended before the testicle, is presently, when the testicle hasfully descended, to become the second, or vaginal coat ofthe testicle ; F is the continuation of the peritoneum upon theinside of the abdominal muscles. In the third figure of this series, we find the testicle A hasdescended into the scrotum ; that it has one coat covering i


. The anatomy and physiology of the human body. Containing the anatomy of the bones, muscles, and joints; and the heart and arteries . ea,which can be easil\- traced, reflected off from the loins at C ;again, D is the portion of the peritoneum, which having de-scended before the testicle, is presently, when the testicle hasfully descended, to become the second, or vaginal coat ofthe testicle ; F is the continuation of the peritoneum upon theinside of the abdominal muscles. In the third figure of this series, we find the testicle A hasdescended into the scrotum ; that it has one coat covering it,which we recognise to be the same with B, in the first figure,and that the peritoneum in this third plate at B, can be tracedto C, the peritoneum within the belly. Now supposing this to be the state of the testicle immedi-ately after it has descended, we see that there is still a commu-nication betwixt the cavity of the tunica vaginalis D, and thecavity of the peritoneum E. F, is the kidney covered by thepeiitoneum, and nearly in the situation in which the testicle?was before its descent. Fourth Flan of the Festzcle, -^?s=^F. 294 OF THE TESTLS. From this lourth plan of the testicle, we may learn the na-ture of the congenital hernia. It is a hernia produced by theintestine slipping down from the communication betwixt thegeneral cavity of the peritoneum, and the cavity of the tunicavaginalis, or in consequence of an adhesion betwixt the testicleund a portion of the gut, which of course causes the gut to fol-low the testicle, and prevents the communication betwixt thebelly and the cavity of the tunica vaginalis from being fig. 4. A, is the testicle as seen in plan 3d. B, the tunicaalbuginea ; C, the peritoneum within the belly ; D, the tunicavaginalis, which we can trace from C, and which is distendedand separated from the surface of the testicle, (i. c. of the al-buginea,) by a portion of the gut, which has descended throughthe ring: E, the point of reflection: F,the


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Keywords: ., bookcentury1800, bookidanatomyphysiolog, booksubjecthumananatomy