tear stone –>
dacryolith
A concretion in the lacrimal apparatus.
Synonym: lacrimal calculus, ophthalmolith, tear stone.
Origin: dacryo– G. Lithos, stone
Dictionary > Tear stone
You will also like...
A Balanced Diet – Minerals and Proteins
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
Control of Growth & Development
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
Vascular Plants: Ferns and Relatives
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..
The Conscious & Unconscious Nervous System
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
Seed Plants
Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..
New Zealand’s Unique Flora
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..