Reniform
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curve or indentation on one side”) intussusception with a reniform appearance multiple reniform circumscribed fat-containing masses [1745, James Parsons
semireniform
From semi- + reniform. semireniform (not comparable) Somewhat or partly reniform.
obreniform
From ob- + reniform. obreniform (not comparable) (botany, of leaves) Having a reverse reniform shape, with the petiole opposite the notch.
subreniform
From sub- + reniform. subreniform (not comparable) Somewhat kidney-shaped
kidney ore
kidney ore (countable and uncountable, plural kidney ores) (mineralogy) Hematite in a reniform habit.