celloidin

[suh-loi-din]

noun

1. a concentrated form of pyroxylin used to embed tissues for cutting and microscopic examination.

celloidin

/ səˈlɔɪdɪn /

noun

1. a nitrocellulose compound derived from pyroxylin, used in a solution of alcohol and ether for embedding specimens before cutting sections for microscopy

Word History and Origins

Origin of celloidin¹

First recorded in 1880–85; cell(ulose) + -oid + -in ²

Word History and Origins

Origin of celloidin¹

C20: from _cellulose + _-oid + _-in

Example Sentences

To verify this and look inside the amygdalae, they collected brains of deceased neurotypical and autistic donors aged two to 48 years from the National Institute of Health’s NeuroBioBank, Autism BrainNet, and the Autism Celloidin Library.

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By means of a glass tube tied into the main artery of an anesthetized animal the blood is conducted through numerous celloidin tubes before being returned to the veins through a second glass tube.

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All diffusible substances circulating in the blood pass through the intervening layer of celloidin.

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Many of the samples fixed in celloidin also float in a liquid preservative that is probably formaldehyde or alcohol.

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By the 1970s most researchers switched to paraffin wax because celloidin's flammability makes it somewhat dangerous to work with.

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