Medical dictionary. 2011.
kinetochore fibers — a component of the mitotic spindle, consisting of kinetochore microtubules (q.v.) … Medical dictionary
Kinetochore — Kinétochore Image d une cellule humaine avec: microtubules en vert, chromosomes (ADN) en bleu et kinétochores en rose Le kinétochore est un assemblage supramoléculaire de protéines au niveau des régions centromériques des chromosomes mitotiques.… … Wikipédia en Français
Kinétochore — Image d une cellule humaine avec: microtubules en vert, chromosomes (ADN) en bleu et kinétochores en rose Le kinétochore est un assemblage supramoléculaire de protéines au niveau des régions centromériques des chromosomes mitotiques. Il existe… … Wikipédia en Français
Microtubules — Microtubule Les microtubules sont des fibres constitutives du cytosquelette, au même titre que les microfilaments d actine et que les filaments intermédiaires. Ils ont un diamètre d environ 25 nm et une longueur variable du fait de leur dynamique … Wikipédia en Français
kinetochore — Multilayered structure, a pair of which develop on the mitotic chromosome, adjacent to the centromere, and to which spindle microtubules attach but not at the end normally associated with a microtubule organizing centre … Dictionary of molecular biology
kinetochore — The structural portion of the chromosome to which microtubules attach. Cf.:centromere. [kineto + G. chora, space] * * * ki·neto·chore kə net ə .kō(ə)r, kī , .kȯ(ə)r n 1) CENTROMERE 2) a specialized structure on the centromere to which the… … Medical dictionary
Astral microtubules — are a subpopulation of microtubules, which only exist during and immediately before mitosis. They emanate from centrosomes, but are not associated with kinetochores. They are organized into radial arrays around the centrosomes. The turn over rate … Wikipedia
Mitosis — Not to be confused with meiosis, miosis, or myositis. Mitosis divides the chromosomes … Wikipedia
Prometaphase — is the phase of mitosis following prophase and preceding metaphase, in eukaryotic somatic cells.The nuclear envelope breaks into fragments and disappears. Microtubules emerging from the centrosomes at the poles (ends) of the spindle reach the… … Wikipedia
Meiosis — Not to be confused with miosis, mitosis, or myositis. For the figure of speech, see meiosis (figure of speech). Events involving meiosis, showing chromosomal crossover Meiosis (pronounced /maɪˈoʊsɨs/&# … Wikipedia
