Barr bodyn.

/ˈbɑː ˌbɒdi/

Etymology: < the name of M. L. Barr (1908–95), Canadian anatomist, who first reported this with E. G. Bertram in Nature (1949) 30 Apr. 676–7.

Genetics and Medicine.

A strongly heterochromatic body just inside the membrane of non-dividing cell nuclei in females, representing a condensed, inactive X chromosome and normally diagnostic of genetic femaleness.

ΘΚΠ

the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > substances or structures of

nuclein1871

nucleoplast1876

nucleoplasm1882

plastin1883

nebenkern1885

nuclear sap1887

chromosome1889

karyotin1925

chromocentre1926

Barr body1961

1961 Amer. Jrnl. Med. 31 434/2 Anders and Prader studied a mentally retarded boy..whose buccal smear nuclei contained double and triple Barr bodies.

1977 Hongkong Standard 14 Apr. 11/4 She said she is angry because she passed the Barr body test just two weeks ago..and had forwarded the findings to the European tournament committees.

1983 J. R. S. Fincham Genetics xix. 570 The nuclei of XXX females have two inactivated X-chromosomes (seen as ‘Barr bodies’) instead of the normal one.

This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2018).

单词	barr body
释义	Barr bodyn. /ˈbɑː ˌbɒdi/ Etymology: < the name of M. L. Barr (1908–95), Canadian anatomist, who first reported this with E. G. Bertram in Nature (1949) 30 Apr. 676–7. Genetics and Medicine. A strongly heterochromatic body just inside the membrane of non-dividing cell nuclei in females, representing a condensed, inactive X chromosome and normally diagnostic of genetic femaleness. ΘΚΠ the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > substances or structures of nuclein1871 nucleoplast1876 nucleoplasm1882 plastin1883 nebenkern1885 nuclear sap1887 chromosome1889 karyotin1925 chromocentre1926 Barr body1961 1961 Amer. Jrnl. Med. 31 434/2 Anders and Prader studied a mentally retarded boy..whose buccal smear nuclei contained double and triple Barr bodies. 1977 Hongkong Standard 14 Apr. 11/4 She said she is angry because she passed the Barr body test just two weeks ago..and had forwarded the findings to the European tournament committees. 1983 J. R. S. Fincham Genetics xix. 570 The nuclei of XXX females have two inactivated X-chromosomes (seen as ‘Barr bodies’) instead of the normal one. This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2018). < n.1961
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