noun, plural elegies. 1. a mournful, melancholy, or plaintive poem, especially a funeral song or a lament for the dead. 2. a poem written in elegiac meter. 3. a sad or mournful musical composition. Origin of elegy.
Hepatitis D virus (HDV) is an RNA virus that is structurally unrelated to hepatitis A (HAV), hepatitis B (HBV), or hepatitis C virus (HCV). It was discovered in 1977. HDV causes a unique infection that requires the assistance of viral particles from HBV to replicate and infect other hepatocytes.Its clinical course is varied and ranges from acute, self-limited infection to acute, fulminant liver failure.
Parkinsonâs (also known as idiopathic parkinsonism, hypokinetic rigid syndrome/HRS, or paralysis agitans) was first discovered in 1817 by British doctor James Parkinson, and brought into public attention in the modern times by celebrities with parkinsonism including Michael J. Fox and Muhammad Ali.Parkinsonâs Disease is a brain disorder that results ...