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624 ORGANS OF GENERATION.
(page 631) and being soluble with difficulty in alcohol and readily soluble
in petroleum ether.
The cysts often occurring in the ovaries are of special pathological
interest, and these may have essentially different contents, depending
upon their variety and origin.
The serous cysts (Hydrops folliculorum Graafii), which are
formed by a dilation of the Graafian follicles, contain a serous liquid
which has a specific gravity of 1.005-1.022. A specific gravity of 1.020
is less frequent. Generally the specific gravity is lower, 1.005-1.014,
with 10-40 p. m. solids. As far as is known, the contents of these cysts
do not essentially differ from other serous liquids.
The proliferous cysts (myxoid cysts, colloid cysts), which are
developed from Pfluger’s epithelium-tubes, may have a content of a
decidedly variable composition.
We sometimes find in small cysts a semi-solid, transparent, or some-
what cloudy or opalescent mass which appears like solidified glue or
quivering jelly, and which has been called colloid because of its physical
properties. In other cases the cysts contain a thick, tough mass which
can be drawn out into long threads, and as this mass in the different
cysts is more or less diluted with serous liquids their contents may have
a variable consistency. In still other cases the small cysts may also
contain a thin, watery fluid. The color of the contents is also variable.
Sometimes they are bluish-white, opalescent, and again they are yellow,
yellowish-brown, or yellowish with a shade of green. They are often
colored more or less chocolate-brown or red-brown, due to the decom-
posed blood-coloring matters. The reaction is alkaline or nearly neutral.
The specific gravity, which may vary considerably, is generally 1.015-
1.030, but may occasionally be 1.005-1.010 or 1.050-1.055. The amount
of solids is very variable. In rare cases it amounts to only 10-20 p. m.
;
ordinarily it varies from 50-70-100 p. m. In a few instances 150-200
p. m. solids have been found.
As form-elements one finds red and white blood-corpuscles, granular
cells, partly fat-degenerated epithelium and partly large so-called Gluge’s
corpuscles, fine granular masses, epithelium-cells, cholesterin crystals, and
colloid corpuscles—large, circular, highly refractive formations.
Though the contents of the proliferous cyst may have a variable
composition, still it may be characterized in typical cases by its slimy
or ropy consistency; by its grayish-yellow, chocolate-brown, sometimes
whitish-gray color; and by its relatively high specific gravity, 1.015-
1.025. Such a liquid does not ordinarily show a spontaneous fibrin
coagulation.
We consider colloid, metalbumin, and paralbumin as characteristic
constituents of these cysts.
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