Jalauca is called Leech, blood
sucker a slimy ectoparasite, Hirudo medicinal Jala means water.
Jalauka resides in water. Jalauka is mentioned in indigenous medicine
from its very beginning 'Dhanvantari' is the deity of Ayurved. He
carries 'Jalauka ' in one of his hand as a symbol of surgical instrumentation
or surgery 'Sushrut' is
the godfather of Ayurvedic surgery. Sushrut-Sanhita
is the treatise 'Jalaukavacharaniya' is one of its chapters everything's
about 'Jalauka' is scientifically described in it.