. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 262 . FRIBERG, 1'. T. LEVINE AND M. .1. GLIMCHER mcthacrvlatc- t) resin-embedded teeth, were cut into .strips 500 microns wide l>v air-abrasi\i microdissection. Krom such strips, segments of ap])ro])viatc length from known 1 ms and orientations can easily he cut. The .segments are then re-embi ! -ectioned on an ultramicrotome for use in electron microscopy. I-"or :-ray diffraction studies, strips, slahs. rods, cnhes, etc. of known location and orientation mav he dissected directly from the tissue. Since the optimum t
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 262 . FRIBERG, 1'. T. LEVINE AND M. .1. GLIMCHER mcthacrvlatc- t) resin-embedded teeth, were cut into .strips 500 microns wide l>v air-abrasi\i microdissection. Krom such strips, segments of ap])ro])viatc length from known 1 ms and orientations can easily he cut. The .segments are then re-embi ! -ectioned on an ultramicrotome for use in electron microscopy. I-"or :-ray diffraction studies, strips, slahs. rods, cnhes, etc. of known location and orientation mav he dissected directly from the tissue. Since the optimum thickness of mineralized tissues tor \-rav diffraction is often less than 100 microns, further dissection by the air-abrasive method or hand ^rindini;' may he l'ii.('!rior chemical modification, utili/in- a method which employs hi^h speed, gas-impelled, abrasive particles to section the tissue. In the case oi the mollnscan shells, air-abrasive sectioning can also he utili/ed for the preliminary preparation of the cross-sections of the shells from which the individual layers are to be dissected. The air-abrasive method for the initial preparation is actually preferable to the conventional method utilizing a rotating disc ( ( iillin^s-1 lamco or similar devices'), in that it eliminates heating, wetting, and shattering of the sample. Since the air-abrasive stream spreads from the orifice in conical fashion it is usually best not to exceed a section thickness of J mm. in order to maintain pre-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biologi
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
