Dehiscence in the external auditory canal cause infection in the parotid gland via:
(a) Fissure of Santorini(Ref. Cummings, 6th ed., 1981)The notch of Rivinus is the upper attachment of pars flaccida.Petro-tympanic fissure is present on the anterior wall of middle ear, on which attaches the anterior malleolar ligament.Retropharyngeal fissure does not exist.
Fissure of Santorini
Notch of Rivinus
Petro-tympanic fissure
Retro pharyngeal fissure
Ear