noun 1. Guido [gwee-daw] /ˈgwi dɔ/ (Show IPA), 1575–1642, Italian painter. 1. a combining form meaning “kidney,” used in the formation of compound words: reniform. noun 1. Guido (ˈɡwiːdo). 1575–1642, Italian baroque painter and engraver combining form 1. kidney or kidneys: reniform
noun, Psychiatry. 1. a person who is sexually aroused or gratified by odors.
adjective 1. kidney-shaped: a reniform leaf; hematite in reniform masses. adjective 1. having the shape or profile of a kidney: a reniform leaf, a reniform mass of haematite reniform ren·i·form (rěn’ə-fôrm’, rē’nə-) adj. Kidney-shaped. reniform (rěn’ə-fôrm’, rē’nə-) Shaped like a kidney. Used to describe certain minerals and certain leaves.
noun, Biochemistry. 1. a proteolytic enzyme secreted by the kidneys that is involved in the release of angiotensin. noun 1. a proteolytic enzyme secreted by the kidneys, which plays an important part in the maintenance of blood pressure renin re·nin (rē’nĭn, rěn’ĭn) n. A protein-digesting enzyme that is released by the kidneys and that catalyzes […]