英语词汇“phloem tissue”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

A specialized vascular tissue of plants which serves to conduct sugars and other dissolved products of metabolism between parts of the plant and is composed of sieve elements, parenchyma cells, fibres, and stone cells. Cf. xylem n. Also attributive, as phloem cell, phloem fibre, phloem layer, phloem tissue, etc.

ΘΚΠ

the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > xylem or phloem

liber1753

phloem1872

xylem1875

protophloem1884

protoxylem1887

internal phloem1891

metaxylem1894

hadrome1898

leptome1898

metaphloem1900

included phloem1910

1872 Philos. Trans. (Royal Soc.) 162 304 Their primary central axis of procambium is wholly converted into or replaced by the central vessels (Xylem) and the investing zones of prosenchyma (Phlöem).

1876 Encycl. Brit. IV. 85/2 Found in the bast or phloëm layers of ordinary trees.

1887 H. E. F. Garnsey & I. B. Balfour tr. H. A. de Bary Compar. Morphol. & Biol. Fungi 499/1 Rind... The outer layers of the bark in a tree with secondary thickening and sometimes all the tissue outside the active phloem.

1914 M. Drummond tr. G. Haberlandt Physiol. Plant Anat. xiv. 656 The various tissues that are comprised in the general category of secondary phloem are usually arranged in more or less distinct tangential layers.

1946 A. Nelson Princ. Agric. Bot. iii. 43 The unit engaged in food conduction and composed of sieve tubes, companion cells, phloem parenchyma, and phloem fibres, is the phloem tissue system.

1978 J. Updike Coup (1979) iii. 95 Some substratum in the phloem or xylem savored smartly of those little glossy red American candies.

1985 Cambr. Encycl. Life Sci. ii. 56/1 The phloem cells active in transport are the sieve-elements connected end-to-end to form a long conduit, the sieve-tube.

1996 E. Tenner Why Things bite Back v. 106 The thicker phloem layer of beech and sycamore trees..is filled with delicious sap.

2001 Farm Jrnl. Mar. (Special Feature Page) 43/1 (advt.) The herbicide has made its way into the phloem—or circulatory system—of the target weed.

单词	phloem tissue
释义	> as lemmas phloem tissue A specialized vascular tissue of plants which serves to conduct sugars and other dissolved products of metabolism between parts of the plant and is composed of sieve elements, parenchyma cells, fibres, and stone cells. Cf. xylem n. Also attributive, as phloem cell, phloem fibre, phloem layer, phloem tissue, etc. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > xylem or phloem liber1753 phloem1872 xylem1875 protophloem1884 protoxylem1887 internal phloem1891 metaxylem1894 hadrome1898 leptome1898 metaphloem1900 included phloem1910 1872 Philos. Trans. (Royal Soc.) 162 304 Their primary central axis of procambium is wholly converted into or replaced by the central vessels (Xylem) and the investing zones of prosenchyma (Phlöem). 1876 Encycl. Brit. IV. 85/2 Found in the bast or phloëm layers of ordinary trees. 1887 H. E. F. Garnsey & I. B. Balfour tr. H. A. de Bary Compar. Morphol. & Biol. Fungi 499/1 Rind... The outer layers of the bark in a tree with secondary thickening and sometimes all the tissue outside the active phloem. 1914 M. Drummond tr. G. Haberlandt Physiol. Plant Anat. xiv. 656 The various tissues that are comprised in the general category of secondary phloem are usually arranged in more or less distinct tangential layers. 1946 A. Nelson Princ. Agric. Bot. iii. 43 The unit engaged in food conduction and composed of sieve tubes, companion cells, phloem parenchyma, and phloem fibres, is the phloem tissue system. 1978 J. Updike Coup (1979) iii. 95 Some substratum in the phloem or xylem savored smartly of those little glossy red American candies. 1985 Cambr. Encycl. Life Sci. ii. 56/1 The phloem cells active in transport are the sieve-elements connected end-to-end to form a long conduit, the sieve-tube. 1996 E. Tenner Why Things bite Back v. 106 The thicker phloem layer of beech and sycamore trees..is filled with delicious sap. 2001 Farm Jrnl. Mar. (Special Feature Page) 43/1 (advt.) The herbicide has made its way into the phloem—or circulatory system—of the target weed. extracted from phloemn. < as lemmas
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> as lemmas