See Also: usnic(dictionary)
usnic(medicine)
usnic acid(medicine)
Dells Area Health Center Avera Health(health)
Divine Providence Health Center Avera Health(health)
Hegg Memorial Health Center Avera Health(health)
health(dictionary)
IMS Health(finance)
health spa(dictionary)
Health Net(finance)

Fecalith (health) and usnic (iou)


Fecalith (health)


A hard stony mass of feces. A fecalith can obstruct the appendix, leading to appendicitis. Fecaliths also can obstruct diverticuli. Called also a coprolith and stercolith.





usnic (iou)



usnic adjective. M19.
[from USNEA + -IC.]
Chemistry. usnic acid, a yellow tricyclic crystalline solid, C18H16O7, which is present in many lichens and is used as an antibiotic.
usnin noun usnic acid M19.