amyloid
Concise Oxford English Dictionary © 2008 Oxford University Press:
amyloid /ˈamɪlɔɪd/
▶noun Medicine an insoluble protein which is deposited in the liver, kidneys, spleen, or other tissues in certain diseases.
– derivatives
amyloidosis noun.
amyloidosis noun.
'amyloid' also found in these Oxford entries:

