KeratoScoop (Rebecca's blog)

Really interesting stuff here. The idea is that what we commonly call the "aqueous" tear layer, produced by the lacrimal glands, is more complex than traditionally thought... that in fact some of the mucin in the tear film comes from the lacrimals, and that the lacrimals can vary the composition of what it puts out in response to what's going on in the eyes.

Not all lacrimal epithelial cells are created equal-heterogeneity of the rabbit lacrimal gland and differential secretion. ...