. Cyclopædia of obstetrics and gynecology . cle being the non-dilated portion of the branch. The flow offluid is free from one vesicle into another. Curious groups of vesiclesof varying size and shape are thus formed. Each vesicle is oval, spheri-cal or pear-shaped. Occasionally one will be found triangular, or evencylindrical in shape. A few are more irregular, and have prolongationsin various directions. The microscope shows small cysts upon the pedi-cles or on the walls of the vesicles; these are vesicles in process of forma-tion. DISEASES OF THE OYUJI. 247 Texture of Vie Hydatid Bundles.—T
. Cyclopædia of obstetrics and gynecology . cle being the non-dilated portion of the branch. The flow offluid is free from one vesicle into another. Curious groups of vesiclesof varying size and shape are thus formed. Each vesicle is oval, spheri-cal or pear-shaped. Occasionally one will be found triangular, or evencylindrical in shape. A few are more irregular, and have prolongationsin various directions. The microscope shows small cysts upon the pedi-cles or on the walls of the vesicles; these are vesicles in process of forma-tion. DISEASES OF THE OYUJI. 247 Texture of Vie Hydatid Bundles.—They are usually easily isolated,though they may be more or less intimately interlaced, when they form amass of cysts as thick as the placenta, in the centre of which nearly nor-mal villi may be found. Contents of the Vesicles.—The walls are thin, semi-transparent andresisting. The contents consist of a transparent, reddish, serous fluid,albuminous and coagulable by alcohol and nitric acid. There is no traceof cysticerci or Fig. 22.—Hydatid Mole.—This mass, whlcli weighed 2 pounds 2 ounces, preserved the shape ofthe uterine cavity in which it was enclosed. On opening it, a certain quantity of the hydatidvesicles that it contained escaped. Two membranous layers could be distinguished; the first, a, theexternal or uterine membrane, analogous to the epichorion or decidua; the second, 6, thin andtransparent and apparently consisting of the remains of the chorion, Granular vesicles, vesicles, , Oblong vesicles. /./, bud-like vesicles. (Mme. Boivin.) Two yarieties of special cells were found in equal and limited numbersin this fluid. The first are spherical, transparent and regular with one or two roundnuclei, and contain fine gray molecular granulations. The nuclei con-tain a small brilliant nucleolus. They are unlike any known anatomi-cal element. The second yariety belongs to the class of payement epithelium and 248 A TREATISE ON OBSTETRICS.
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