. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. TESTICLE (ABNORMAL ANATOMY). 995 the inflammatory action ; but when the con- tiguous organ or subjacent part is of a dif- Fig. ferent structure from that of the cellular tissue, the extension of inflammation inwards is checked. Thus, in the case of the inflamed tunica vaginalis, the cellular tissue readily transmitted the morbid action to the epididy- mis, but the tunica albuginea arrested its progress to the body of the testicle ; and this explains the fact that after inflammation of the tunica vaginalis, excited
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. TESTICLE (ABNORMAL ANATOMY). 995 the inflammatory action ; but when the con- tiguous organ or subjacent part is of a dif- Fig. ferent structure from that of the cellular tissue, the extension of inflammation inwards is checked. Thus, in the case of the inflamed tunica vaginalis, the cellular tissue readily transmitted the morbid action to the epididy- mis, but the tunica albuginea arrested its progress to the body of the testicle ; and this explains the fact that after inflammation of the tunica vaginalis, excited by injection, the body of the gland is rarely found to suffer. On the other hand, the epididymis is seldom attacked with inflammation without the disease being quickly propagated to the tunica vagi- nalis. The lymph effused in inflammation very often forms adhesions between the opposed serous surfaces, and these after some time are rendered very firm and dense, and in old cases are often converted into a fibro-cartilaginous structure. In a testicle which I examined some little while after an attack of acute in- flammation, I found the lymph on both sur- faces of the tunica vaginalis presenting a honeycomb or lace-like appearance, similar to that often met with on the pericardium. In- flammation, if violent, may end in the forma- tion of pus ; suppuration is, however, a rare occurrence, unless artificially excited, for the cure of hydrocele. Inflammation of the tunica vaginalis is not only the most frequent disease of the testicle, but it is also one of the most common affections to which the body is liable. In the different disorders of the gland this membrane usually becomes inflamed at some period or other, and adhesions between its opposed surfaces are scarcely less common than those of the pleura. In examining the testicles of twenty-four adults, I found ad- hesions of greater or less extent in one or both glands in as many as nine instances. Hydrocele of the tunica vagina
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