People often shed tears, such as when they are grieving a breakup with a lover or when chopping onions, but since tears are transparent, they all seem to be the same. Live Science, a science news site ...

THE lachrymal gland in mammals has acinar tissue leading to ducts lined with columnar epithelium showing no regional differentiation. The Na/K ratio of an established secretion shows no alteration in ...

The lachrymal gland, which lies above the outer edge of each eye, produces tears. These glands constantly secrete a salty fluid, which keeps the eyes moist, and allow the eyeball to rotate properly ...

Yawning is the body's way of acquiring extra O2 to keep us going when tired or just plain bored, so why does it also make my eyes water and then my nose run? i.e. What causes the lachrymal glands get ...