| 单词 |
celloidin |
| 释义 |
celloidin|sɛˈlɔɪdɪn|
[a. G. celloidin, f. cellulose + -oid + -in1.]
A pure form of pyroxylin, soluble in ether, used chiefly in microscopy for embedding specimens of tissues so that sections may be prepared.
1883Jrnl. R. Microsc. Soc. III. 305 Very elegant results may also be obtained by an imbedding mass originally invented by Duval, and recently much improved by Merkel and Schiefferdecker. This is collodion, or, preferably a solution of so-called celloidin. 1892Photogr. Ann. II. 107 Making an enlarged transparency..on a rapid celloidin film. 1908Practitioner Feb. 201 Three healthy foetuses..were hardened in formol, two of them being cut in celloidin. 1932Discovery May 158/1 The methods of fixing, section-cutting, embedding in paraffin wax or celloidin, [etc.]. 1969Jrnl. Anat. CIV. 212 A large central block, containing the sphenoid bone, pituitary and brain, was then cut out, embedded in celloidin, and cut serially in either the sagittal or the coronal plane. |
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