Barr bodies


Barr bodies
   A condensed, inactivated X-chromosome inside the nuclear membrane in interphase somatic cells of women.

Forensic science glossary. . 2012.

Look at other dictionaries:

  • Barr , Murray Llewellyn — (1908–) Canadian geneticist and anatomist Barr was born in Belmont, Ontario, and was educated at the University of Western Ontario, gaining his BA in 1930, MD in 1933, and MSc in 1938. His association with Western Ontario was continued with his… …   Scientists

  • Barr body — Nucleus of a female amniotic fluid cell. Top: Both X chromosome territories are detected by FISH. Shown is a single optical section made with a confocal microscope. Bottom: Same nucleus stained with DAPI and recorded with a CCD camera. The Barr… …   Wikipedia

  • Cowdry bodies — are eosinophilic nuclear inclusions composed of nucleic acid and protein seen in cells infected with Herpes simplex virus, Varicella zoster virus, and Cytomegalovirus. There are two types of intranuclear Cowdry bodies: Type A (as seen in herpes… …   Wikipedia

  • syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …   Medical dictionary

  • LYON-Hypothese — Kern einer weiblichen menschlichen Zelle aus Amnionflüssigkeit. Oben: Darstellung beider X Chromosomen durch …   Deutsch Wikipedia

  • Lyonisierung — Kern einer weiblichen menschlichen Zelle aus Amnionflüssigkeit. Oben: Darstellung beider X Chromosomen durch …   Deutsch Wikipedia

  • X-Inaktivierung — Kern einer weiblichen menschlichen Zelle aus Amnionflüssigkeit. Oben: Darstellung beider X Chromosomen durch Fluoreszenz in situ Hybridisierung. Gezeigt ist ein einzelner optischer Schnitt, der mit einem konfokalen Laserscanningmikroskop erzeugt… …   Deutsch Wikipedia

  • XYY syndrome — Not to be confused with XXY (2 X s, Klinefelter s syndrome). XYY syndrome Classification and external resources Y chromosome ICD 10 Q …   Wikipedia

  • X-inactivation — The Barr body is indicated by the arrow, it identifies the inactive X (Xi).] macroH2A1 staining. Arrow points to sex chromatin in DAPI stained cell nucleus, and to the corresponding sex chromatin site in the histone macroH2A1 staining.] X… …   Wikipedia

  • Male — The traditional definition of male was "an individual of the sex that produces sperm" (or some such). However, things are not so simple today. Male can be defined by physical appearance, by chromosome constitution (see Male chromosome… …   Medical dictionary


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.