axial filament


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axial filament

[′ak·sē·əl ′fil·ə·mənt]
(cell and molecular biology)
The central microtubule elements of a cilium or flagellum.
(invertebrate zoology)
An organic fiber which serves as the core for deposition of mineral substance to form a ray of a sponge spicule.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.