Definitions

1. adjective

relating to or occurring within the period of life between birth and death, especially in relation to the study of living organisms or tissues in a state that is not necessarily fixed or dead.

“The researcher used intravital microscopy to study the behavior of cells in a living organism.”

2. noun

the period of life between birth and death, especially in relation to the study of living organisms or tissues.

“The scientist focused on the intravital aspects of the experiment.”