Osteotomy
An osteotomy was a surgical procedure in which a bone was cut in order to change its alignment, or shorten it.
 
Hirogen s removed the skeletal structure of their prey by way of an osteotomy. Seven of Nine remembered this procedure when she saw a member of Species 5174 who had been thusly operated on. ()

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de: Osteotomie
Bones
Medical procedures