Archive image from page 212 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana0402todd Year: 1849 TESTICLE (ABNORMAL ANATOMY). 997 hydrocele, in which the testicle is retained in the abdomen or inguinal canal, while the peritoneum, prolonged for a short distance into the scrotum, forms the cyst containing the fluid which is covered only by the inte- guments and superficial fascia. Encysted hydrocele of the testicle. — In this form of hydrocele, fluid is effused into an ad- ventitious cyst or cysts distinct from the sac of the tunica vaginalis. The cyst
Archive image from page 212 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana0402todd Year: 1849 TESTICLE (ABNORMAL ANATOMY). 997 hydrocele, in which the testicle is retained in the abdomen or inguinal canal, while the peritoneum, prolonged for a short distance into the scrotum, forms the cyst containing the fluid which is covered only by the inte- guments and superficial fascia. Encysted hydrocele of the testicle. — In this form of hydrocele, fluid is effused into an ad- ventitious cyst or cysts distinct from the sac of the tunica vaginalis. The cyst is composed of a thin delicate serous membrane, and may be developed in three situations : 1. beneath the visceral portion of the tunica vaginalis in- vesting the epididymis ; 2. between the testi- cular portion of the tunica vaginalis and the tunica albuginea, which are thus separated from each other ; 3. between the layers of the loose or reflected portion of the tunica vaginalis. The first is by far the most com- mon situation, the two latter being very rare. These cysts are composed of a delicate serous membrane lined with tesselated epithelium, and the fluid contained in them differs from that of simple hydrocele in being perfectly limpid and colourless, and nearly free from albumen. In the cysts formed on the epi- didymis, the fluid, instead of being limpid, often presents an opaline opacity arising from the presence of spermatozoa. 1. Small cysts not larger than a pea, and even smaller, may frequently be found beneath the serous membrane covering the head of the epididymis, in which they produce a slight depression. In several instances I have seen as many as five and six perfectly distinct cysts connected with this part. Sometimes one or two small cysts are so embedded in the substance of the epididymis, that they cannot be recognised without dis- section. Though these minute cysts generally contain a limpid fluid, I have sometimes found them filled with fluid of a
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