The lacrimal duct, nasal bone, nasal cavity, vomer, maxillary sinus, cribriform plate, and ethmoid cells are often missing on the involved side.
Sea turtles' lacrimal glands allow them to produce very salty tears.
In 1892, he described a 42-year old man with enlargement of the parotid and lacrimal glands associated with a round-cell infiltrate and acinar atrophy.
Tears are produced by the lacrimal gland, situated just outside the eyes.
It enters the lacrimal gland and gives off several filaments, which supply sensory innervation to the gland and the conjunctiva.
The lacrimal gland is primarily responsible for producing emotional or reflexive tears.
The patients also have a dysfunction of the lacrimal gland with a decrease of the quantity and composition of tears produced.
In many dinosaurs, the lacrimal bone comes into contact with the nasal bone, the jugal bone, the prefrontal bone, and the maxillary and premaxillary bones.
