chromatin-positive

chromatin-positive
chro·ma·tin-pos·i·tive (kro″mə-tin-pozґĭ-tiv) containing sex chromatin (Barr body); characteristic of the somatic cell nuclei of normal human females or other individuals with two (or more) X chromosomes.

Medical dictionary. 2011.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • positive — 1. Affirmative; definite; not negative. 2. Denoting a response, the occurrence of a reaction, or the existence of the entity or condition in question. 3. Having a value greater than zero. [L. positivus, settled by arbitrary agreement, fr. pono,… …   Medical dictionary

  • Chromatin immunoprecipitation — The procedure of chromatin immunoprecipitation (ChIP) assay and methods of analysis Chromatin Immunoprecipitation (ChIP) is a type of immunoprecipitation experimental technique used to investigate the interaction between proteins and DNA in the… …   Wikipedia

  • sex chromatin test — (for determination of chromosomal sex) examination of somatic cells for presence of a Barr body at the periphery of the nucleus; an index of the presence of two X chromosomes, as in a normal XX female, but also giving a positive result with… …   Medical dictionary

  • 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

  • reproductive system disease — Introduction       any of the diseases and disorders that affect the human reproductive system (reproductive system, human). They include abnormal hormone production by the ovaries or the testes or by other endocrine glands, such as the pituitary …   Universalium

  • Epigenetics — In biology, the term epigenetics refers to changes in gene expression caused by mechanisms other than changes in the underlying DNA sequence. These changes may remain through cell divisions for the remainder of the cell s life and may also last… …   Wikipedia

  • EP300 — See also: p300 CBP coactivator family E1A binding protein p300 PDB rendering based on 1f81 …   Wikipedia

  • cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

  • Histone deacetylase — Histone deacetylases (HDAC) (EC number 3.5.1) are a class of enzymes that remove acetyl groups from an ε N acetyl lysine amino acid on a histone. Its action is opposite to that of histone acetyltransferase.ubtypesHDAC proteins are found in three… …   Wikipedia

  • RE1-silencing transcription factor — Identifiers Symbols REST; NRSF; XBR External IDs …   Wikipedia

Share the article and excerpts

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