channel

(chăn′ĕl )

To hear audio pronunciation of this topic, purchase a subscription or log in.

[Fr. fr. L. canalis, a waterpipe]

1. A conduit, groove, or passageway through which various materials may flow.
2. In cell biology, a passageway in the cell membrane through which materials may pass.

There's more to see -- the rest of this topic is available only to subscribers.