alveolo-, alveol-, alve-, alveat-

(Latin: trough, channel; small cavity, small pit; hollow)

alveus (s) (noun), alvei (pl)
1. Rare, a channel (groove like passageway) or trough (long, hollow tube) through which a fluid flows: An alveus can be the channel of a river.
2. A thin layer of a white substance in the brain: The alvei are the myelinated nerve fibers that cover the ventricular surface of the hippocampus.

A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube": antro-; anu-; celo-; coelio-; concho-; fenestra-; hernio-; hiat-; meato-; ora-; parieto-; poro-; pyl-, pyle-; pylor-; sphinctero-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.