Relating to or caused by a nervous system disorder affecting blood vessel function and control.
From 'angioneurosis' + '-ic' (relating to). The adjectival form extends the noun to describe conditions, symptoms, or reactions involving this vascular-nervous dysfunction, historically important in neurovascular medicine.
Angioneurotic edema (now called angioedema) is when your nervous system goes haywire and tells your blood vessels to leak fluid into your skin, causing sudden swelling.
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