pith ray
11Ox ray — Ox Ox ([o^]ks), n.; pl. {Oxen}. [AS. oxa; akin to D. os. G. ochs, ochse, OHG. ohso, Icel. oxi, Sw. & Dan. oxe, Goth. a[ u]hsa, Skr. ukshan ox, bull; cf. Skr. uksh to sprinkle. [root]214. Cf. {Humid}, {Aurochs}.] (Zo[ o]l.) The male of bovine… …
12medullary ray — noun Date: 1830 1. a primary tissue composed of radiating bands of parenchyma cells extending between the vascular bundles of herbaceous dicotyledonous stems and connecting the pith with the cortex 2. vascular ray …
13medullary ray — med′ullary ray′ n. bot a vertical band or plate of unspecialized tissue that radiates between the pith and the bark in the stems of woody plants • Etymology: 1820–30 …
14medullary ray — /məˈdʌləri reɪ/ (say muh duluhree ray) noun (in the stems of exogenous plants) one of the vertical bands of plates of parenchymatous tissue which radiate between the pith and the bark …
15medullary ray — n. 1. Anat. extensions of the kidney tubules into the cortical substance 2. Bot. strands of parenchymal tissue extending from the pith to the bark and separating the vascular bundles in the stems of certain plants (dicotyledons and gymnosperms) …
16xylem ray — n. a transverse sheet of soft, living cells wholly within the wood or xylem and extending from the pith of a stem to the phloem …
17medullary ray — Sheet of primary stem parenchyma tissue extending from the pith to the cortex …
18pithray — pith ray n. The parenchymatous tissue that extends between the vascular bundles of a stem or root. * * * …
19angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) …
20History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …
