It is that region which initiates the development of microtubules. This region is called the centrosome. It is the centrosome and not the centriole which is responsible for making spindles because what we call 'spindle fibres' are basically microtubules. This explains why plant cells and fungi can produce spindle fibres during mitosis.
expedient(Noun) A method or means for achieving a particular result, especially when direct or efficient; a resource. expedient(Adjective) Simple, easy, or quick; convenient. Most people, faced with a decision, will choose the most expedient option.
Practical Expedient: The revenue recognition standard prescribes accounting for an individual contract with a customer, but allows. for application of the guidance to a portfolio of contracts (or performance obligations) with similar characteristics if the entity.