Whether they are tears of pain or tears of joy, the truth about tears is that these tiny, salty droplets are essential for the nutrition, lubrication, and protection of our eyes. Why it matters — ...

This image shows a confocal image of a mouse lacrimal-gland organoid with the tear product Lcn2 labelled in red, showing that the organoids make tears. (Yorick Post, Hubrecht Institute) (CN) --- ...

In a new first, scientists have produced lab-grown, working tear glands that can actually produce tears. “Hopefully in the future, this type of organoid may even be transplantable to patients with ...

March 16 (UPI) --Using new organoid technology, scientists have successfully grown miniature tear glands that actually cry. The breakthrough -- described Tuesday in the journal Cell Stem Cell-- could ...