File:The diagnosis of diseases of women (1905) (14762880852).jpg

Identifier: diagnosisofdise00find (find matches)
Title: The diagnosis of diseases of women
Year: 1905 (1900s)
Authors: Findley Palmer. (from old catalog)
Subjects:
Publisher: Philadelphia and New York, Lea brothers & co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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or clinical workwhere stained sections of morbid tissues are required within a few minutes of the begin-ning of an operation in order that the surgeon may determine his mode of procedure. Itfreezes almost instantaneously regardless of room temperature or humidity and at verysmall expense. The temperature of the object to be frozen is, within limits, under the con-trol of the operator. The freezing chamber contains a spiral passage through which theexpanding CO2 passes, securing the maximum freezing power. The knife slides on glassguides. The finest feed is twenty microns. The microtome may be attached directly to aCOo cylinder. 96 GENERAL DIAGNOSIS (i) Transfer to 95 per cent, alcohol. (j) Pass through absolute alcohol, then through creosote or oilof cloves, and mount in Canada balsam. While the freezing method has an important place in connectionwith the operating-room, the sections are not eminently satisfactory,for the reason that only small sections can be made and differ- FiG. 21
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Ether or rhigolene freezing attachment. This attachment consists of a cylindrical freez-ing stage upon which the object to be frozen is placed and against which a very finespray of ether or rhigolene as desired is projected by a delicate atomizer operated by thebulb air-pump shown in the illustration. The rapid evaporation of the fluid abstractssufficient heat from the object to freeze it in a short time. There is always, however, anexcess of fluid which does not evaporate, and this is drained back into a bottle and usedagain. This freezer is applicable to the automatic laboratory, medium laboratory, student,table, and demonstration microtomes. entiating stains cannot be used. Where an immediate diagnosis isnot required (and this is true in the majority of instances) thecelloidin or paraffin methods are preferred. FIXING THE SPECIMENS. Zenker^s fluid (Miillers fluid, 100 per cent.; bichloride, 5 per cent.,and, shortly before using, the addition of 5 per cent, of glacial acetic MICROSC

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