The bundle of fibrils that constitutes the central core of a cilium or flagellum.
The axial thread of a chromosome.
A bundle of microtubules and associated proteins that makes up the core of a cilium or flagellum, consisting of nine pairs of microtubules arranged around two single microtubules.
Origin of axoneme
Greek axōn axis Greek nēma thread (s)nē- in Indo-European roots