<prompt> Crocodile tears are due to -Cross innervation of facial nerve fibersCross innervation of trigeminal nerve fibersImproper regeneration of trigeminal nerveImproper regeneration of facial nerve  <response>: Crocodile tears gustatory lacrimation:- There is unilateral lacrimation with mastication. This is due to faulty regeneration of parasympathetic fibres which now supply lacrimal gland instead of the salivary glands. It can be treated by a section of greater superficial petrosal nerve or tympanic neurectomy. 