: situated or occurring between ventricles the interventricular septum of the heart interventricular brain hemorrhage.

What is meant by interventricular septum?

Interventricular septum: The stout wall that separates the lower chambers (the ventricles) of the heart from one another. A hole in the interventricular septum is termed a ventricular septal defect (VSD).

What is the meaning of intraventricular?

: situated within, occurring within, or administered into a ventricle intraventricular hemorrhage.