chromatin body


chromatin body
(ARTHROPODA: Insecta)
A special rDNA containing body in the oocyte nucleus during early oogenesis of dytiscid water beetles; body of Giardini.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • chromatin body — Barr body; condensed X chromosome in female mammalian cell …   Dictionary of molecular biology

  • body of Giardini — see chromatin body …   Dictionary of invertebrate zoology

  • Chromatin — (DAPI Färbung, blau) in einem Mauszellkern. Links mit einem Konfokalmikroskop aufgenommen, rechts mit der verbesserten Auflösung eines 3D SIM Mikroskops. Daneben sind Kernporen (anti NPC, rot) und die Lamina unter der Kernhülle dargestellt (anti… …   Deutsch Wikipedia

  • Chromatin — The major structures in DNA compaction; DNA, the nucleosome, the 10nm beads on a string fibre, the 30nm fibre and the metaphase chromosome Chromatin is the combination of DNA and proteins that make up the contents of the nucleus of a cell. The… …   Wikipedia

  • body — 1. The head, neck, trunk, and extremities. The human b., consisting of head (caput), neck (collum), trunk (truncus), and limbs (membra). 2. The material part of a human, as distinguished from the …   Medical dictionary

  • body substance — noun the substance of the body • Hypernyms: ↑substance • Hyponyms: ↑solid body substance, ↑liquid body substance, ↑bodily fluid, ↑body fluid, ↑humor, ↑humour, ↑ …   Useful english dictionary

  • chromatin granule — noun the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes • Syn: ↑chromatin • Derivationally related forms: ↑chromatinic (for: ↑chromatin) •… …   Useful english dictionary

  • chromatin-negative — chro·ma·tin neg·a·tive (kro″mə tin negґə tiv) lacking sex chromatin (Barr body); characteristic of the somatic cell nuclei of normal human males or other individuals with only one X chromosome …   Medical dictionary

  • 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

  • chromatin — The genetic material of the nucleus, consisting of deoxyribonucleoprotein, which occurs in two forms during the phase between mitotic divisions: 1) as heterochromatin, seen as condensed, readily stainable clumps; 2) as euchromatin, dispersed… …   Medical dictionary


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