Thin sections(thickness-2mm to 3mm) of specimens after dehydration, and forced impregnation with polymers, is cured between flat glass/acrylic chambers. After curing, rough and irregular edges are sawed and displayed.
Which ever polymer is used, it should be optically clear and very low in viscosity, and should be relatively easy to cure.
Polyester resin- Commonly used for plastinating thin sections of neuro-anatomy specimens because of the good grey matter white matter differentiation property. Comparatively easy to work with and with some basic skills, the speed of curing can be easily controlled.
Epoxy resin- Suitable for any tissue available in various grades, viscosity and optical quality. UV curable is more recommended over addition cure because of negligible time it takes to cure by exposing with UV light. Nearly 100% curing can be attained in 24 to 48 hours..
Polyurethane(PU) resin- Polyurethane resins are relatively durable and resist surface scratch of the finished plastinate. When PU resin is used, specimens can resist tear very well.
This is the most effective tool to teach and learn sectional anatomy. even CT and MRI images can be very well correlated and compared. Translucent sections of real specimen is greatly appreciated by students.
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