Definition of atheroma in US English:

atheroma

noun

Medicine
  • 1Degeneration of the walls of the arteries caused by accumulated fatty deposits and scar tissue, and leading to restriction of the circulation and a risk of thrombosis.

    • ‘Cholesterol embolisation occurs in patients with generalised atheroma, arising as a consequence of arteriosclerosis.’
    • ‘The aorta showed severe complicated atheroma throughout its length.’
    • ‘During the warmer seasons, there was a decline in the number of strokes resulting from atheroma.’
    • ‘The early lesions of calcific degenerative disease resemble atheroma of the coronary artery.’
    • ‘If the ultrasound shows stenosis or atheroma, the patient should understand the risks and benefits of the procedure.’
    • ‘For subjects who were 45-69 yr of age, Crawford and Crawford reported no difference in the prevalence of extensive atheroma or significant stenosis between residents of hard-water and soft-water areas.’
    • ‘As the lesion grows, a fibrous cap made of collagen and elastin walls off the lesion from the lumen of the artery to protect the arterial lumen from the atheroma.’
    1. 1.1 The fatty material that forms plaques in the arteries.
      • ‘Angina happens when the coronary arteries get blocked up with small pieces of fatty material called atheroma.’
      • ‘Ultrasound devices provide reliable measurements of lumen size, distensibility, wall thickness, and the presence of atheroma in large arteries.’

Origin

Late 16th century: via Latin from Greek athērōma, from athērē, atharē ‘groats’.

Pronunciation

atheroma

/ˌaTHəˈrōmə/