![choroid plexus choroid plexus](https://www.tekportal.net/wp-content/uploads/2018/12/choroid-plexus.jpg)
choroid plexus noun
- a multilobed vascular membrane, projecting into the cerebral ventricles, that secretes cerebrospinal fluid
choroid plexus in Medicine choroid plexus n.
- A vascular proliferation of the cerebral ventricles that serves to regulate intraventricular pressure by secretion or absorption of cerebrospinal fluid.