Zimmermann granule

Zim·mer·mann gran·ule

(tsim'ĕr-mahn), obsolete term for platelet.

Zimmermann,

Karl W., German histologist, 1861-1935. polkissen of Zimmermann - mesangial cells that fill the triangular space between the macula densa and the afferent and efferent arterioles of the juxtaglomerular apparatus. Synonym(s): extraglomerular mesangiumZimmermann corpuscle - Synonym(s): Zimmermann elementary particleZimmermann elementary particle - a disklike cytoplasmic fragment found in the peripheral blood where it functions in clotting. Synonym(s): platelet; Zimmermann corpuscle; Zimmermann granuleZimmermann granule - Synonym(s): Zimmermann elementary particle