Assertion: centriole | /r/HasProperty | retained
Facets:
value: during the entire course of spermiogenesis
type: TEMPORAL
Source sentences:
text: However, if only those centrioles in which cartwheel and peripheral symmetries match were retained, then the percentage of centrioles with a ninefold symmetrical arrangement would increase to ∼80% (Figure 5).
text: A particularly acute need for centriole stability is encountered during spermatogenesis in many species, since the centrioles that are formed during the meiotic divisions of male germ cells must be retained during the entire course of spermiogenesis to then be contributed to the zygote (reviewed in  ).