MeSH Browser

MeSH Heading: Fetus-in-Fetu
Tree Number(s): C16.131.085.806.500
Unique ID: D000098987
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D000098987
Scope Note: Rare abnormality where a fetal part of an identical twin that stopped developing during gestation is found within a normally developing fetus. It is considered a TWIN PREGNANCY complication.
Entry Term(s): Fetus in Fetu; Parasitic Twin
Previous Indexing: Fetus (1963-2024)
Public MeSH Note: 2025
History Note: 2025
Date Established: 2025/01/01
Date of Entry: 2024/08/09
Revision Date: 2024/04/26

Allowable Qualifiers: blood (BL)

cerebrospinal fluid (CF)

classification (CL)

diagnosis (DI)

diagnostic imaging (DG)

diet therapy (DH)

drug therapy (DT)

economics (EC)

embryology (EM)

enzymology (EN)

epidemiology (EP)

ethnology (EH)

etiology (ET)

genetics (GE)

history (HI)

immunology (IM)

metabolism (ME)

microbiology (MI)

mortality (MO)

nursing (NU)

parasitology (PS)

pathology (PA)

physiopathology (PP)

prevention & control (PC)

psychology (PX)

radiotherapy (RT)

rehabilitation (RH)

surgery (SU)

therapy (TH)

urine (UR)

veterinary (VE)

virology (VI)

Fetus-in-Fetu MeSH Descriptor Data 2025