clonaladj.

Brit.

/ˈkləʊnl/, U.S.

/ˈkloʊn(ə)l/

Origin: Formed within English, by derivation. Etymons: clone n., -al suffix¹.

Etymology: < clone n. + -al suffix¹.

Biology.

Or, relating to, or having the characteristics of a clone (in various senses); produced by cloning.

ΘΚΠ

the world > plants > wild and cultivated plants > [adjective] > cultivated or planted > of or belonging to a clone

clonal1903

the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [adjective] > descent from common ancestor > clone or polyclone

monoclonal1914

polyclonal1914

cloned1933

clonal1946

1903 H. J. Webber in Science 16 Oct. 502/2 The differentiating clonal characters of chrysanthemums are mainly in the form and color of the flowers.

1946 Nature 23 Nov. 762/2 The replacement of existing virus-infected, low-yielding clonal stocks of raspberries is a pressing necessity.

1968 New Scientist 3 Oct. 11/1 Many people are worried by the ethical problems raised by the recent developments in genetics, opening up the possibilities of ‘clonal man’.

1989 B. Alberts et al. Molecular Biol. Cell (ed. 2) iv. 164 (table) Ham introduced a defined, serum-free medium able to support the clonal growth of certain mammalian cells.

2002 Nation (N.Y.) 18 Feb. 7/1 What about cloning a human being? Most members of Congress on both sides of the aisle would oppose a clonal birth.

2006 A. G. van der Valk Biol. Freshwater Wetlands iv. 69 Two different modes of clonal growth are generally recognized in wetlands, splitter-spreader and packed-connected.

Compounds

clonal selection theory n. Immunology the (widely accepted) theory that the immune response to an antigen is dependent upon reaction of the antigen with pre-existing specific receptors on a small number of lymphocytes which then undergo clonal proliferation.

ΚΠ

1959 F. M. Burnet (title) The clonal selection theory of acquired immunity.

1984 M. J. Taussig Processes in Pathol. & Microbiol. (ed. 2) ii. 184 According to the clonal selection theory.., tolerance results from the death of antigen-sensitive cells.

2000 Immunol. Rev. 176 10/2 How the multiple and structurally diverse antigens could fulfill this task for the BCR [= B-cell antigen receptor] is unknown, and we regard this as an unsolved problem of Burnet's clonal selection theory.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).

单词	clonal
释义	clonaladj. Brit. /ˈkləʊnl/, U.S. /ˈkloʊn(ə)l/ Origin: Formed within English, by derivation. Etymons: clone n., -al suffix¹. Etymology: < clone n. + -al suffix¹. Biology. Or, relating to, or having the characteristics of a clone (in various senses); produced by cloning. ΘΚΠ the world > plants > wild and cultivated plants > [adjective] > cultivated or planted > of or belonging to a clone clonal1903 the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [adjective] > descent from common ancestor > clone or polyclone monoclonal1914 polyclonal1914 cloned1933 clonal1946 1903 H. J. Webber in Science 16 Oct. 502/2 The differentiating clonal characters of chrysanthemums are mainly in the form and color of the flowers. 1946 Nature 23 Nov. 762/2 The replacement of existing virus-infected, low-yielding clonal stocks of raspberries is a pressing necessity. 1968 New Scientist 3 Oct. 11/1 Many people are worried by the ethical problems raised by the recent developments in genetics, opening up the possibilities of ‘clonal man’. 1989 B. Alberts et al. Molecular Biol. Cell (ed. 2) iv. 164 (table) Ham introduced a defined, serum-free medium able to support the clonal growth of certain mammalian cells. 2002 Nation (N.Y.) 18 Feb. 7/1 What about cloning a human being? Most members of Congress on both sides of the aisle would oppose a clonal birth. 2006 A. G. van der Valk Biol. Freshwater Wetlands iv. 69 Two different modes of clonal growth are generally recognized in wetlands, splitter-spreader and packed-connected. Compounds clonal selection theory n. Immunology the (widely accepted) theory that the immune response to an antigen is dependent upon reaction of the antigen with pre-existing specific receptors on a small number of lymphocytes which then undergo clonal proliferation. ΚΠ 1959 F. M. Burnet (title) The clonal selection theory of acquired immunity. 1984 M. J. Taussig Processes in Pathol. & Microbiol. (ed. 2) ii. 184 According to the clonal selection theory.., tolerance results from the death of antigen-sensitive cells. 2000 Immunol. Rev. 176 10/2 How the multiple and structurally diverse antigens could fulfill this task for the BCR [= B-cell antigen receptor] is unknown, and we regard this as an unsolved problem of Burnet's clonal selection theory. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < adj.1903
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