Dictionary (n.) The connective tissue sheath which surrounds a bundle of nerve fibers. See Neurilemma.Thesaurus allantoic membrane amniotic sac arachnoid membrane basement membrane conjuctiva eardrum hymen maidenhead membrana serosa membrana tympana membrane meninges meninx neurilemma pellicle pericardium perineurium pleura serosa tympanic membrane tympanum velum |