A recital of the following cases will explain the syndrome of the spinal fillet and nucleus ambiguus. This syndrome has been named after Georg Avellis,1 a German laryngologist. He reported in the Berliner Klinik, in 1891, a series of illustrative cases, giving in detail most of the symptoms of this complex, which condition is now recognized by neurologists and laryngologists as an entity.
It is impossible to describe the syndromes of the medulla as those affecting the gray matter or the white matter separately. Usually some part of both of these elements is involved by the lesion. The gray matter of the medulla represents a dominant autonomy over the vital processes of life. It mediates an essential control over respiration, cardiovascular activity, phonation, articulation, deglutition, digestive secretion and metabolism. It also acts as an important relay station for both divisions of the auditory nerve. The white matter of the medulla
CHARLES J. IMPERATORI. SYNDROME OF AVELLISREPORT OF THREE CASES. Arch Otolaryngol. 1925;1(3):277–282. doi:10.1001/archotol.1925.00560010293003