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/məˈlignənt/ Adjective 1. Harmful, malevolent, injurious. ( 2. Dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor). ( (Oncology) 1. Harmfully cancerous; as a malignant tumor. ( Word origin: From Middle French malignant and directly from Late Latin malignantem (nominative malignans) “acting from malice,” present participle of malignare “injure...

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Malpighian corpuscle

Noun, pl. Malpighian corpuscles Refers to either of two anatomical structures: Renal corpuscles the initial filtering component of nephrons in the kidneys. ( the capsule that contains Bowman’s capsule and a glomerulus at the expanded end of a nephron.  ( Splenic lymphoid nodules, or White nodules follicles in the white pulp of the spleen, containing many lymphocytes. ( a mass of lymphoid tissue surrounding an arteriole of the spleen. ( any of the small masses of adenoid tissue formed around the branches of the splenic artery in the spleen. ( Word origin: These structures are named after Marcello Malpighi (1628-1694), an Italian physician and biologist regarded as the father of microscopical anatomy and histology....

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Struggling in Biology?

Are You Premed?

Confused about the MCAT? Not sure how to prepare? This guide will show you how