during infections with strain ytatl in both immunocompetent and lethally x-irradiated rats , cyclic amp content of the parasite increased from 20 -- 20 pmol per 10 ( 9 ) cells early in logarithmic growth to 65 -- 70 pmol per 10 ( 9 ) cells at peak parasitemia , then decreased as the transition to intermediate and short stumpy forms commenced .
C0007595
cells
C0007634
cells