[medical-dictionary.thefreedictionary.com] [medical-dictionary.thefreedictionary.com] [medical-dictionary.thefreedictionary.com] stroke [medical-dictionary.thefreedictionary.com] [medical-dictionary.thefreedictionary.com] stroke [medical-dictionary.thefreedictionary.com] [medical-dictionary.thefreedictionary.com] Stroke [medical-dictionary.thefreedictionary.com] [medical-dictionary.thefreedictionary.com] [medical-dictionary.thefreedictionary.com] Stroke is defined