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A pure form of nitrocellulose in which specimens for microscopic examination are embedded.


(Biochemistry) a nitrocellulose compound derived from pyroxylin, used in a solution of alcohol and ether for embedding specimens before cutting sections for microscopy
[C20: from cellulose + -oid + -in]


(səˈlɔɪ dɪn)

a concentrated form of pyroxylin used to embed tissues for cutting and microscopic examination.
[1880–85; cell (ulose) + -oid + -in1]
References in periodicals archive ?
Tissues were dehydrated and embedded in paraffin using the Double Embedding Method: 80 per cent ethanol--90 per cent Ethanol--96 per cent ethanol--99 per cent ethanol--99 per cent ethanol/Methyl Salicylate--Methyl Salicylate--1 per cent Celloidin in Methyl Salicylate--Methyl Salicylate/Paraffin--several changes of paraffin; and finally embedded in paraffin.
The temporal bones were fixed, decalcified, and embedded in celloidin.
Decalcification and celloidin embedding can seriously damage RNA, which might account for the negative results in McKenna et al's examinations.