dendriticadj.

Brit.

/dɛnˈdrɪtɪk/, U.S.

/dɛnˈdrɪdɪk/

Etymology: modern < dendrite n. (in French dendritique ): see -ic suffix.

Resembling or of the nature of dendrite: said of various structures or formations, chiefly mineral and animal.

1. Of a branching form; arborescent, tree-like. Also in Geography.

ΘΚΠ

the world > space > shape > other specific shapes > [adjective] > like (branches of) a tree

ramose1673

arborescent1679

dendrical1758

dendritic1816

dendritical1822

ramiform1833

dendroidal1840

dendroid1846

dendriform1847

dendrodic1849

1816 P. Cleaveland Elem. Treat. Mineral. & Geol. 445 This variety..is reniform, dendritic, in membranes, &c.

1841 J. Trimmer Pract. Geol. 74 Dendritic native silver and copper.

1870 G. Rolleston Forms Animal Life Introd. 102 This structure..may be either dendritic or foliaceous.

1898 I. C. Russell River Devel. vii. 204 The well-developed dendritic drainage in Lebanon valley.

1937 S. W. Wooldridge & R. S. Morgan Physical Basis Geogr. xiv. 189 The..surface will be resolved into slopes leading down to drainage channels. In areas of homogeneous rocks such a process gives rise to a simple, tree-like or dendritic, drainage plan.

2. Having arborescent markings.

ΚΠ

1805 R. Jameson Treat. External Characters Minerals 22 Steatite and dendritic calcedony.

1872 H. Macmillan True Vine iii. 110 Imitations of ferns and foliage..in moss-agates, or in what are called dendritic pebbles.

Draft additions March 2012

dendritic cell n. Histology and Immunology a cell with branching processes; (in later use) spec. any of a class of cells of the immune system, including the Langerhans cells of the skin, which process and present antigen (typically from sites such as the skin, lung, or intestine) to T cells within lymph nodes.

ΚΠ

1882 Proc. Amer. Acad. Arts & Sci. 1881–2 17 277 There is now a double line of dendritic cells extending along the base of the anal and of the dorsal.

1923 Brit. Med. Jrnl. 17 Nov. 908/2 The dendritic cells of Langerhans.

1972 Q. Rev. Biol. 47 272/2 Complement fixation, transplacental passage, and attachment to macrophages, dendritic cells, and mast cells are all attributable to the sites in the Fc segment of the antibody molecules.

2005 Washington Post 20 Oct. c13 (in figure) Dendritic cells serve as the immune system's early-warning radar.

This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022).

单词	dendritic
释义	dendriticadj. Brit. /dɛnˈdrɪtɪk/, U.S. /dɛnˈdrɪdɪk/ Etymology: modern < dendrite n. (in French dendritique ): see -ic suffix. Resembling or of the nature of dendrite: said of various structures or formations, chiefly mineral and animal. 1. Of a branching form; arborescent, tree-like. Also in Geography. ΘΚΠ the world > space > shape > other specific shapes > [adjective] > like (branches of) a tree ramose1673 arborescent1679 dendrical1758 dendritic1816 dendritical1822 ramiform1833 dendroidal1840 dendroid1846 dendriform1847 dendrodic1849 1816 P. Cleaveland Elem. Treat. Mineral. & Geol. 445 This variety..is reniform, dendritic, in membranes, &c. 1841 J. Trimmer Pract. Geol. 74 Dendritic native silver and copper. 1870 G. Rolleston Forms Animal Life Introd. 102 This structure..may be either dendritic or foliaceous. 1898 I. C. Russell River Devel. vii. 204 The well-developed dendritic drainage in Lebanon valley. 1937 S. W. Wooldridge & R. S. Morgan Physical Basis Geogr. xiv. 189 The..surface will be resolved into slopes leading down to drainage channels. In areas of homogeneous rocks such a process gives rise to a simple, tree-like or dendritic, drainage plan. 2. Having arborescent markings. ΚΠ 1805 R. Jameson Treat. External Characters Minerals 22 Steatite and dendritic calcedony. 1872 H. Macmillan True Vine iii. 110 Imitations of ferns and foliage..in moss-agates, or in what are called dendritic pebbles. Draft additions March 2012 dendritic cell n. Histology and Immunology a cell with branching processes; (in later use) spec. any of a class of cells of the immune system, including the Langerhans cells of the skin, which process and present antigen (typically from sites such as the skin, lung, or intestine) to T cells within lymph nodes. ΚΠ 1882 Proc. Amer. Acad. Arts & Sci. 1881–2 17 277 There is now a double line of dendritic cells extending along the base of the anal and of the dorsal. 1923 Brit. Med. Jrnl. 17 Nov. 908/2 The dendritic cells of Langerhans. 1972 Q. Rev. Biol. 47 272/2 Complement fixation, transplacental passage, and attachment to macrophages, dendritic cells, and mast cells are all attributable to the sites in the Fc segment of the antibody molecules. 2005 Washington Post 20 Oct. c13 (in figure) Dendritic cells serve as the immune system's early-warning radar. This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022). < adj.1805
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