Fifty years ago the linguist and semanticist Stephen Ullmann wrote that polysemy, the fact that some words have a network of multiple but related meanings, is the pivot of semantic analysis (Ullmann 1957 [1951]: 117).

For example, oligomeganephronia, unilateral renal agenesis, renal dysplasia, reflux nephropathy, secondary to surgical or traumatic ablation, chronic allograft nephropathy, and other causes of nephron loss lead to FSGS.

a passer of counterfeit banknotes

Untouched third molars were extracted and decoronated and a cavity was made with a homemade mold as demonstrated in Figure 1 .