The mediastinum is the part of the thoracic cavity that contains the lung, the heart and its major blood vessels, the trachea, the thymus gland, and the esophagus. False lungs are located outside of the mediastinum.
Erlendr was a Nord warrior. He is a hero, and his ghost can be found inside the Hall of Valor in Sovngarde. He, along with Nikulas and Hunroor, was turned into a stone pillar at Brodir Grove by the wizard Grimkell while searching for Sovngarde. Ulfgar the Unending later avenged them by killing Grimkell.
Erythromycin. Erythromycin is a very common antibiotic treatment for walking pneumonia. It is very similar to penicillin when it comes to how it works, metabolizing bacteria-fighting 14-membered lactone rings in the liver. As a treatment for walking pneumonia, Erythromycin is prescribed through tablets, gels or injections.