inclusion
[in-kloo´zhun] 1. the act of enclosing or the condition of being enclosed.
2. anything that is enclosed; a cell inclusion.
cell inclusion a usually lifeless, often temporary, constituent in the cytoplasm of a cell.
fetal inclusion a partially developed embryo enclosed within the body of its twin.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.