The researchers conducted an in vivo study to observe the effects of the drug on the mice.

The drug was tested in vivo to determine its effectiveness.

The tissue was examined ex vivo to study its cellular structure.

He made a donatio inter vivos to his daughter.

The donationes inter vivos were made to support various charitable causes.

The vivotoxin in the snake's venom can cause paralysis.

The Vivonas are a talented group of musicians.

My friend's last name is Vivona.