-ˈlōsə̇s noun
( plural bartonello·ses -ōˌsēz)
Usage: sometimes capitalized
Etymology: New Latin, from Bartonella + -osis
: a disease of man and other mammals originally in the valleys of the Andes of Peru but now in other parts of So. America characterized by severe anemia and high fever followed by an eruption like warts on the skin and caused by an organism ( Bartonella bacilliformis ) like rickettsia that invades the red blood cells and is transmitted by sandflies (genus Phlebotomus )