Lacrimatory pathway
Following are the components of the lacrimatory pathway
- Lacrimatory nucleus facial nerve.
- Greater superficial petrosal joins with deep petrosal nerve to form nerve of pterygoid canal which pass through the pterygopalatine fossa where there is pterygopalatine ganglion.
- Zygomatic branch of maxillary nerve.
- Zygomaticotemporal nerve.
- Communicating branch to lacrimal nerve - lacrimal gland.The lacrimal nerve is derived from the ophthalmic nerve and it innervate the sensory component of the lacrimal gland.