English Dictionary

radial canal

noun

any of the numerous minute canals lined with choanocytes which radiate from the paragastric cavity in some sponges and end just below the surface of the sponge

The radial canal is responsible for transporting nutrients in the starfish.

意味（1）

any of the numerous minute canals lined with choanocytes which radiate from the paragastric cavity in some sponges and end just below the surface of the sponge

意味（2）

any of the canals extending through the substance of the umbrella from the gastric cavity to the marginal circular canal in jellyfish

意味（3）

a tube extending outward along each ambulacral area from the circumoral canal in most echinoderms