Reissner fiber

Reiss·ner fi·ber

(rīs'nĕr),
a rodlike, highly refractive fiber running caudally from the subcommissural organ throughout the length of the central canal of the brainstem and spinal cord.

Reissner,

Ernst, German anatomist, 1824-1878.
Reissner fiber - a rodlike, highly refractive fiber running caudally from the subcommissural organ throughout the length of the central canal of the brainstem and spinal cord.
Reissner membrane - separates the cochlear duct from the vestibular canal. Synonym(s): vestibular membrane