| collodion b. |
an infant born encased in a tight membrane resembling collodion or parchment, which is subsequently shed, occasionally leaving normal-appearing skin (lamellar exfoliation of newborn or lamellar desquamation of newborn). It is usually a primary manifestation of various forms of ichthyosis, most often the lamellar type.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| collodion f. |
a synthetic cellulose nitrate membrane with uniform pore sizes, used as a microbiological filter and for estimating the size of viral particles.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| collodion s. |
see under baby, and see ichthyosis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| collodion |
The collodion wet-plate process was invented by Fredrick Scott Archer in 1848, published in 1851, and practiced as the most popular negative process from the mid 1850's until the 1880's, when it was superseded by the gelatin dye plate. A glass plate was evenly coated with collodion, made light sensitive, exposed, and finally developed, all before the emulsion dried. The resulting negative, after being fixed and washed, was ordinarily varnished to preserve and protect it. ...
Ãâó: www.laurencemillergallery.com/glossary.htm
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