from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Between the radii, or rays.
from the GNU version of the Collaborative International Dictionary of English
- adj. Between the radii, or rays; -- in zoölogy, said of certain parts of radiate animals.
from The Century Dictionary and Cyclopedia
- Situated between the radii or rays: as, the interradial petals in an echinoderm. Compare adradial.
- n. A ray situated between rays, as in some crinoids; an interradiale.
The inhalent pores are very minute, and open into small subdermal cavities which communicate by means of interradial tubes with the ciliated chambers, the latter being very small ramifications of the interradial channels, and in them the movement causing the current of water is maintained.
This process of absorption is probably accomplished in the interradial or ciliated chambers, more probably in the former, as the latter are generally considered excretory in function.
Their apical sisters occupy interradial positions (1cd Confocal images (A) are shown in a z-projection (B) and an interpretive tracing (C).