n. pl. ca•ve•o•lae (-lē′)
A small vesicle or recess, especially one communicating with the outside of a cell and extending inward, indenting the cytoplasm and the cell membrane.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.