the spindle fibers are referred to as the meiotic spindle. At the beginning of nuclear division, two wheel-shaped protein structures called centrioles position themselves at opposite ends of the ...

the shape of the holes and their size, it seems that the perforated pebbles from Nahal Ein-Gev II are best suited to have functioned as spindle whorls," the study authors wrote. To test their ...

Andromeda is the bright spindle-shaped object at image center. All the dwarf galaxies seem to be confined to a plane, all orbiting in the same direction. The wide view is from ground-based ...