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...
![complete-dominance](https://www.biologyonline.com/wp-content/uploads/2019/10/complete-dominance-300x168.jpg)
Dominance
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
![A sperm cell fertilizing an ovum](https://www.biologyonline.com/wp-content/uploads/2020/02/Human-Reproduction-and-Fertilization-273x168.jpg)
Human Reproduction and Fertilization
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
![DNA - schematic](https://www.biologyonline.com/wp-content/uploads/2020/07/DNA-300x168.jpg)
Genetic Mutations
This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..
![Water Cycle](https://www.biologyonline.com/wp-content/uploads/2020/02/The-Water-Cycle-235x168.jpg)
The Water Cycle
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..
![Sensory systems](https://www.biologyonline.com/wp-content/uploads/2020/02/Sensory-systems-243x168.jpg)
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
![vitamins](https://www.biologyonline.com/wp-content/uploads/2020/02/A-Balanced-Vitamin-Diet-–-Vitamins-A-–-K-168x168.jpg)
A Balanced Vitamin Diet – Vitamins A – K
A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..