A skin ulcer that is characterized by a a small dark-centered ulcer that appears at the site of a tick bite and is the primary lesion of boutonneuse fever. [ url:http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=tache%20noire ]
This is just here as a test because I lose it
Term information
definition
A skin ulcer that is characterized by a a small dark-centered ulcer that appears at the site of a tick bite and is the primary lesion of boutonneuse fever.