Definition

Noun: A hepadnavirus is a member of a specific genus (Hepadnaviridae) of animal DNA viruses. These viruses are characterized by their ability to cause liver infections (hepatitis) and have a partially double-stranded DNA genome. The most well-known member is the Hepatitis B virus, which infects humans. Other members infect animals such as ducks, woodchucks, and squirrels.

Usage Examples

• The hepadnavirus responsible for human disease is Hepatitis B virus.
• Researchers study the duck hepadnavirus to understand the viral life cycle.
• Infection with a hepadnavirus typically targets the liver.

Advanced Usage

• As a taxonomic term: In virology, "hepadnavirus" is used to classify viruses within the family based on their genetic structure and replication strategy.
  • The woodchuck hepatitis virus is a classic model for studying hepadnavirus-induced hepatocellular carcinoma.

Variants and Related Words

• Hepadnaviridae (n): The family name to which all hepadnaviruses belong.
• Hepatitis B virus (HBV) (n): The specific hepadnavirus that causes hepatitis B in humans.

Synonyms

• Hepatitis B-like virus (This is a descriptive synonym, not a formal taxonomic one).

Noun

1. a group of animal DNA viruses including viruses of ducks and woodchucks and squirrels and others as well as the virus causing hepatitis B in humans