The Norse dwarves are highly significant entities within Norse mythology. They are the makers of most of the artefacts of the gods, both Aesir and Vanir. Their dwelling places are two of the nine worlds upon the world-ash Yggdrasil, that of Nidavellir and of Svartalfheim.
They are known also as svartalfir, or "dark elves".
... of the urethra in the male, where the opening is not quite where it should be (it occurs lower than normal in hypospadias). A chordee[?] is when the urethra develops ...