One of the mysteries of the English language finally explained.
A small group of dark-staining cells of the distal convoluted tubule of the nephron, forming part of the juxtaglomerular apparatus.
1940s; earliest use found in The Lancet. From scientific Latin macula densa from classical Latin macula + densa, feminine of densus.
In this article we explore how to impress employers with a spot-on CV.