: a densely staining inactivated condensed X chromosome that is present in each somatic cell of most female mammals and is used as a test of genetic femaleness (as in a fetus)
called also sex chromatin
Dictionary Entries Near Barr body
Cite this Entry
“Barr body.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Barr%20body. Accessed 21 Dec. 2024.
Copy CitationMedical Definition
Barr body
noun
: a densely staining inactivated condensed X chromosome that is present in each somatic cell of most female mammals and is used as a test of genetic femaleness (as in a fetus or an athlete)
called also sex chromatin
Love words? Need even more definitions?
Merriam-Webster unabridged
Share