After Friday's ceremonies, the country's Information Minister, Ernesto Villegas, said the government had dropped plans to embalm Mr Chavez for permanent display.
Maduro announced Thursday that the government would embalm Chavez's body and put it on permanent display, a decision that touched off strong passions on both sides.
The methods used to embalm the head also matched techniques in use at the time of his death, said the scientists in a report published by the British Medical Journal (BMJ).