1A). The latter category of microtubules is absent in anastral spindles of the kind that are formed, for instance, in many meiotic cells. In combination, these findings build a picture of the ...

The primary cilia observed in this study originated from both animal and human beta cells. The researchers investigated how ...

A cell division resembling that of an animal embryo has been observed in a prehistoric unicellular organism, suggesting that embryonic development might have existed prior to the evolution of animals.