NCIt definition : A subspecies of Treponema pallidum; an anaerobic, Gram indeterminate, spiral shaped
bacteria assigned to the phylum Spirochaetes. This subspecies is motile and an obligate
parasite. T. pallidum subsp. pertenue is a pathogen that is the causative agent of
yaws.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Treponema pallidum
and subspecies pertenue.;