Nordstemmen station it had suffered. It was found that the conservation status of the building had been affected by the spread of Serpula lacrymans (dry rot), causing serious deterioration to the roof and other parts of the wooden structure; almost the whole building is affected. Subsequently, the previously closed windows were fitted with grills, supporting the ceilings, which were in danger of collapsing, and new coverings were installed over the roof. Because no buyer had been found for the listed building, Deutsche Bahn submitted an application for its demolition to the Federal Railway Authority (EBA) in Hanover in the summer of 2005.
Serpula tidal fashion. In the central circulatory system, the blood moves anteriorly from the tip of the abdomen to the front of the thorax through a sinus enveloping the alimentary canal, and posteriorly through a ventral blood vessel. The ventral vessel and the sinus communicate with each other by segmentally arranged ring vessels, and by a dorsal vessel, a transverse vessel, and a pair of circumesophageal vessels situated at the anterior end of the thorax. The dorsal vessel in some of the larger serpulids, like "Serpula", possesses a valve and a muscular sphincter, probably to prevent backflow of blood from the