The greater petrosal nerve branches off of the facial nerve in the skull. Along with a chain of other nerves, it innervates (provides nerve function to) the lacrimal gland, which produces tears. The ...

Anand Veeravagu and Michael Y. Wang: robotic and navigated spine surgery, surgical techniques and advancements (2023) : 256 pp. 98 illustrations, Hardback, Elsevier, Philadelphia, ISBN: 078-0-323 ...