Bickerstaff's encephalitis is a rare inflammatory disorder of the central nervous system, first described by Edwin Bickerstaff in 1951. It may also affect the peripheral nervous system, and has features in common with both Miller Fisher syndrome and GuillainâBarrÃ© syndrome. 1  1 Signs and symptoms.  2 Pathophysiology.
Pathophysiology. Tears are produced in the lacrimal gland and drain through the upper and lower puncta into the canaliculi and then into the lacrimal sac and nasolacrimal duct (see Figure: Anatomy of the lacrimal system. ). Obstruction of tear drainage can lead to stasis and infection.
Tears are produced by the lacrimal gland and the accessory lacrimal glands and cover the cornea. Tears then drain out the punctum in the medial eyelids, flow down the canalicu â¦ li into the lacrimal sac.ears are secreted by the lacrimal glands. tears The secretions of the lacrimal gland are more commonly known as TEARS. The lacrimal gland is what produces the tears that lubr â¦ icate and clean your eye. Tears. 1 person found this useful.