Diaphanization of a frog - Pelophylax ridibundus crossbred INRA (RIVAN92 strain) 

Biological preparation

The aim of diaphanization is to render the tissues transparent through a chemical process, and specific dyes are used to highlight the skeleton.

You can see the bones through the skin!

Not a protected species

Diaphanization of a frog - Pelophylax ridibundus crossbred INRA (RIVAN92 strain) 

Biological preparation

The aim of diaphanization is to render the tissues transparent through a chemical process, and specific dyes are used to highlight the skeleton.

You can see the bones through the skin!

Not a protected species

Diaphanization of a frog - Pelophylax ridibundus crossbred INRA (RIVAN92 strain) 

Biological preparation

The aim of diaphanization is to render the tissues transparent through a chemical process, and specific dyes are used to highlight the skeleton.

You can see the bones through the skin!

Not a protected species

Diaphanization of a frog - Pelophylax ridibundus crossbred INRA (RIVAN92 strain) 

Biological preparation

The aim of diaphanization is to render the tissues transparent through a chemical process, and specific dyes are used to highlight the skeleton.

You can see the bones through the skin!

Not a protected species

Flight of butterflies under a glass bell

5 Monarch (Danaus plexippus) butterflies from Ecuador (Breeding)

Entomological transparent frame 

Species: Morpho Didius butterfly from Peru

Antique glass dropper in white glass 

Apothecary - Pharmacy

Heart-shaped stopper

Rare military folding amputation saw - 18th century inspired model, late 19th century German manufacture

Late 19th century German reinterpretation of a pre-existing British model from 1780

Witness to a transition between two eras of military surgery

Amputation saw - First half of the 20th century - USSR medical material

Origin: Most likely USSR or Eastern Europe

Estimated time : 1930-1960

19th century amputation saw

No maker's mark

Accident on the blade

Dr Potain vacuum cleaner in its case

Around 1900

Antique medical instrument from manufacturer GENTILE in Paris

Dr Potain vacuum cleaner in its case

Late 19th century

Antique medical instrument from manufacturer MORIN in Paris