Assertion: urtication | /r/HasProperty | old external remedy
Facets:
Source sentences:
text: The stinging effect of the true Nettle is caused by an acrid secretion contained in minute vesicles at the base of each of the stiff hairs; and urtication, or flogging, with Nettles, is an old external remedy, which was long practised for chronic rheumatism, and loss of muscular power.