Diaphany: corn snake (Pantherophis guttatus) in jar - Biological preparation
diaphanie serpent 2 colorants
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Diaphany: corn snake in jar - Biological preparation - 1 coloration.
Skeleton of snake of wheat "diaphanisé". Pantherophis guttatus.
The purpose of the diaphanisation is to make transparent, here the skeletons of snakes are "diaphanised" in purple and blue, preparation takes longer and more risk that it will miss...
Fabrics are made transparent by a chemical process, and specific colouring agents (red for the calcified, blue bone/fabric for the cartilage) allow to highlight the skeleton.
It is especially used for the too small animals to be prepared ostéologie there in a conventional way or to study the sequences of ossification for example.
The snake of wheat is an endemic species of the United States, it has an orange-colored thorough color, his back is strewed with red spots (called "saddles"), lined with black.
The flask in which it is contained measure approximately 11 cms high for a base: 5x5cm
Volume of 100ml. The glass cork is blocked.
The flask does not contain a formalin, because the fixation of specimens is realized upstream to the preparation.
They are then maintained in these flasks filled with pure glycerin which has for function to protect tissues. Some crystals of thymol were added to the preparation also to fight against molds.