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Graphical

Spindle pole bodyCytoplasmMicrotubule organizing centerCytoskeleton

Definition

The spindle pole body is the microtubule organizing center (MTOC) in fungi, functionally equivalent to the animal cell centrosome. The SPB is responsible for the nucleation and organisation of microtubules. This may include the spindle microtubules required for chromosome segregation in mitosis and meiosis as well as the cytoplasmic interphase microtubules.

Synonyms

SPB
Spindle polar body

Category

› Cellular component

GOi

spindle pole body [ GO:0005816 ]