Webmedullary ray in American English. 1. Anatomy. extensions of the kidney tubules into the cortical substance. 2. Botany. strands of parenchymal tissue extending from the pith to … WebIn botany, medullary rays (pith rays or wood rays) are sheets or ribbons of cells running from the inside of the plant to the outside. That is, they run at right angles to the xylem …

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Web腎皮質（Renal cortex）是腎的外層部分，介於腎鞘膜和腎髓質的中間部分。 成人的腎皮質形成連續的光滑的外層區域，其間有一些突起腎柱（renal column），延伸至腎錐體（renal pyramid）。 它包括腎小球（renal corpuscles）和腎小管（renal tubules）但是不包括深入腎髓質（renal medulla）的亨利氏環(loop of Henle ... Web7 jan. 2014 · January 7, 2014 by Eddie Ping. Medullary rays are a natural product, which means that the colour and grain of oak can vary from one piece to another as, after all, … sash balancer replacement

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WebMedullary ray is any of the vertical plates of parenchyma cells running radially through the cylinder of vascular tissue in the stems and roots of plants. Each may be one to many cells in width. Primary medullary rays occur in young plants and in those not showing secondary thickening; they pass from the cortex through to the pith. Web1 jan. 1998 · Medullary ray nodule (MRN) was named by Benja- Histological examination showed that the min and Beckwith in 1973 [1], having been previ- lungs were congested, oedematous, and hemor- ously described by Finegold in 1970 [2] and Mi- rhagic with a mild increase in interlobular fibrous randa et al. in 1971 [3], who used the terms ‘‘collecting … WebMedullary rays can also refer to a characteristic found in woods. In this context the term refers to radial sheets or ribbons extending vertically through the tree across and perpendicular to the growth rings. Also called pith rays or wood rays, these formations of primarily parenchyma cells allow the radial transmission of sap. sash band music