. Un livre de classe (primaire) : physiologie pratique dont l'histologie, la physiologie expérimentale et chimique. La physiologie. INTRODUCTION. monté dans la glycérine, la gelée de glycérine, ou Farrcmt's solution, besoin de sonner pour les préserver, un processus très simplifié en prenant soin qu'au moment de la fixation, seulement suffisamment de liquide est utilisé pour remplir l'espace entre les verres. Le bord du couvercle et des pays de la surface de la lame doit être propre, afin que la colle peut tenir. Débordement du liquide de montage est d'abord retiré avec le papier buvard imbibé d'eau puis avec de l'alcool. Le sl

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. A class book of (elementary) practical physiology : including histology, chemical and experimental physiology. Physiology. INTRODUCTION. mounted in glycerin, glycerin jelly, or Farrcmt's solution, require ringing to preserve them, a process much simplified by taking care that at the time of mounting, only sufficient fluid is used to fill the space between the glasses. The edge of the cover and the neighbouring surface of the slide must be clean, so that the cement may hold. Overflow of the mounting medium is first removed with blotting paper moistened with water and then with alcohol. The slide is centered on a turn table, which can be borrowed in the laboratory, and a ring of thickened gold size applied with a small brush whilst the table revolves at a moderate speed. Make the ring as narrow as is consistent with complete sealing and due hold upon the glass. A second application of the same, or of Zinc white cement, will complete the ringing. DRAWING AND MEASURING AN OBJECT. Draw every object which you examine and append marginal notes connecting the latter with the parts noted by directing lines. Sketches are to enable you to study later on the preparations which you have made in class. It does not matter how slight the sketch is, provided the principal features and their position in the preparation are properly noted. Draw on paper faintly ruled in squares, 1 avoid a cramped style and mere mechanical repetition of detail. When the subject is the section of an organ, draw the general outline as seen under the low power. Naked eye examination is of great help when the section exceeds the dimensions of the field. Then give high power views of those portions which the preparation is meant to illustrate. Light washes of water colour are effective additions, especially if they reproduce the colours of the stains with which the tissues are treated.. Fig. 2. Zeiss Eye-piece Cross-line Micrometer. An eye-piece micrometer'2 is ae obtained from the Laboratory attendant, W.

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• bookcentury1800
• bookdecade1890
• booksubjectphysiology
• bookyear1