In humans, some evidence suggests that there are two different types of spindles during sleep, which differ by their scalp topography and possibly some aspects of their regulation. To test for the ...

Proceedings of the Royal Society of London. Series B, Biological Sciences, Vol. 154, No. 956 (Jul. 25, 1961), pp. 377-397 (21 pages) A tandem spindle is defined as one in which several encapsulated ...

The assembly of a bipolar microtubule-based spindle is crucial for the accurate and timely segregation of the chromosomes into the two daughter cells during mitosis. Three microtubule nucleation ...