Atheroma

(ath-er-o' -mah) pi, gruel; bua, tumor J. Primarily, a soft encysted tumor; more commonly, the fatty degeneration of the walls of the arteries in consequence of chronic arteritis, and called atheromatous degeneration. Atheromatous absce , resulting chronic arteritis, is a collection of soft matter beneath the intima, while an atheromatous ulcer is formed by the absce breaking through the intima.