[On the connections between the rami communicantes of the sympathicus and the rami posteriores of the loin nerves (author's transl)].

The existence of anastomoses between the Rami communicantes of the Truncus sympathicus and the Rami posteriores of the loin nerve in man has been confirmed macroscopically and microscopically in 50% of the cases. This is followed by a discussion of the causality of pains in the loin region.