fetal inclusion


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

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.

fe·tal in·clu·sion

unequal conjoined twins in which the incompletely developed parasite is wholly enclosed in the autosite.

fetal inclusion

Malformed twins in which one, the parasite, is completely enclosed within the other, its host or autosite.
See: teratoma
See also: inclusion

inclusion

1. the act of enclosing or the condition of being enclosed.
2. anything that is enclosed; a cell inclusion.

epithelial inclusion
probably endothelial displacements during embryonic development; epithelial cells in acinar or ductal structure enclosed in a layer of epithelial cells on a basement membrane.
cell inclusion
a usually lifeless, often temporary, constituent in the cytoplasm of a cell.
chlamydial inclusion
see elementary body.
dental inclusion
a tooth so surrounded with bony material that it is unable to erupt.
fetal inclusion
a partially developed embryo enclosed within the body of its twin.
nutritive i's
glycogen inclusions, visible only with electron microscope, include α-particles (rosettes) and β-particles (single particles).