belladonna

• Substantif désignant une plante herbacée vivace d'Eurasie aux fleurs campanulées rougeâtres et aux baies noires, ou l'extrait alcaloïde de cette plante utilisé en médecine.

A noun referring to a perennial Eurasian herb with reddish bell-shaped flowers and black berries, or an alkaloidal extract from this plant used medicinally.

1. Poisonous plantC1formalmedical

   A perennial Eurasian herb with reddish bell-shaped flowers and shiny black berries, also known as deadly nightshade; its roots and leaves yield atropine.

   Belladone

   • Belladonna is highly toxic if ingested by humans or animals.
   • The plant's berries are dangerously attractive to children.
   • Historically, belladonna was used in cosmetics to dilate pupils.

   Synonymesdeadly nightshade

2. Medicinal extractC1formalmedical

   An alkaloidal extract or tincture derived from the belladonna plant, used medicinally for its anticholinergic properties.

   Extrait médicinal de belladone

   • Belladonna extract is sometimes used to treat muscle spasms.
   • The tincture of belladonna must be administered with extreme caution.
   • Doctors prescribe belladonna-based remedies for certain gastrointestinal conditions.