Definition: 'Persistent Vegetative State'
persistent vegetative state (PVS)Type: Term
1. vegetative state (q.v.) of prolonged duration (defined in different sources as duration of longer than 1 month, 1 year, or 2 years); usually permanent.
The definition information for persistent vegetative state is provided by Stedman's. You can search our medical dictionary here.
Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.