. The microscope : an introduction to microscopic methods and to histology. Microscopes. 3i8 SERIAL SECTIONING [ Or with such an organ as the liver, the skin, etc., the sections may be parallel with the surface, (Surface Sections) or at right angles to the surface ( Vertical Sections). ORDER OF THE SECTIONS IN A SERIES § 473. Order of Serial Sections.—Some plan must be adopted in arranging the series or only confusion will result. An excellent plan is to arrange the short pieces of ribbons for a given slide as the words on a page are arranged. That is, section No. 1 is at the upper left ha
. The microscope : an introduction to microscopic methods and to histology. Microscopes. 3i8 SERIAL SECTIONING [ Or with such an organ as the liver, the skin, etc., the sections may be parallel with the surface, (Surface Sections) or at right angles to the surface ( Vertical Sections). ORDER OF THE SECTIONS IN A SERIES § 473. Order of Serial Sections.—Some plan must be adopted in arranging the series or only confusion will result. An excellent plan is to arrange the short pieces of ribbons for a given slide as the words on a page are arranged. That is, section No. 1 is at the upper left hand corner. The next row of sections begins where the first row left off, etc., (Fig. 253). As the paraffin stretches considerably one must cut the ribbons into pieces considerably shorter than the cover-glass to be Fig. 253. Slide of an embryologic series showing the method of arranging a sagittal series. This is the 15th slide of the series. The sections are ar- ranged like the words and lines in a book, i. e., from left to right. {From '' Guide to Histology and Embryology in Cornell University.'') Both the paraffin and collodion methods are adapted to the preparation of series. The paraffin ribbons are easier to manage and easier to make than the serial sections in collodion. By arranging the collodion sections as they are cut on the knife in collodion sectioning (§ 457), one can put them on the slide in perfect series by the tissue paper method (§ 458). If the sections are large, as in cutting serial sections of the cen- tral nervous system, the series can be kept in order in a small dish by putting a piece of tissue paper over each section and piling them up. If the vessel is small enough the papers and sections will not shift and get out of order. Or one might put a single section in a Syracuse watch glass and pile them up in series (Fig. 208). Then in mounting the sectious can be taken in Please note that these images are extracted from scanned page im
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