. The microscope : an introduction to microscopic methods and to histology. Microscopes. CHAPTER X FIXING; MICROTOMES AND SECTION KNIVES; IMBED- DING ; SECTIONING, STAINING AND MOUNT- ING ; SERIES ; MODELS FIXING TISSUES, ORGANS AND EMBRYOS ; MECHANICAL PREPARA- TION FOR STUDY \ 430. Fixation.âBy fixing or fixation in histology is meant the prepara- tion of fresh tissues, organs, embryos or small adult animals usually by means of some chemical mixture, called a "fixer" so that the organ etc as a whole and the elements or cells composing it shall retain as nearly as possible the morph
. The microscope : an introduction to microscopic methods and to histology. Microscopes. CHAPTER X FIXING; MICROTOMES AND SECTION KNIVES; IMBED- DING ; SECTIONING, STAINING AND MOUNT- ING ; SERIES ; MODELS FIXING TISSUES, ORGANS AND EMBRYOS ; MECHANICAL PREPARA- TION FOR STUDY \ 430. Fixation.âBy fixing or fixation in histology is meant the prepara- tion of fresh tissues, organs, embryos or small adult animals usually by means of some chemical mixture, called a "fixer" so that the organ etc as a whole and the elements or cells composing it shall retain as nearly as possible the morphologic characters present during life. The more perfect the fixer the nearer will be the preservation of all structural details. Unfortunately no single "fixer" preserves with equal excellence all the structural details, and therefore it is necessary to prepare the fresh tissue in several different ways and to make a composite of the structural appearances found, thereby approximating the actual structure present in the living body. Changes are so rapid after death that the fixation should begin as soon as pos- sible. For the most perfect fixation the living tissue must be put into the fixer. -^y â - ^*~ 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 Gage, Simon Henry, 1851-1944. Ithaca, N. Y. : Comstock Publishing Company
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