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Descriptor English: Trophoblasts
Descriptor Spanish: Trofoblastos
Descriptor trofoblastos
Entry term(s) citotrofoblastos
sincitiotrofoblastos
Scope note: Células que recubren el exterior del BLASTOCYSTO. Después de fijarse al ENDOMETRIO, los trofoblastos se desarrollan en dos capas distintas, una capa interna de citotrofoblastos mononucleares y una capa externa de citoplasma continuo multinuclear, el sincitiotrofoblasto, el cual forma la interfaz feto-materna inicial (PLACENTA).
Descriptor Portuguese: Trofoblastos
Descriptor French: Trophoblastes
Entry term(s): Cytotrophoblast
Cytotrophoblasts
Syncytiotrophoblast
Syncytiotrophoblasts
Trophoblast
Tree number(s): A11.382.992
A16.254.500.766
A16.710.802
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D014327
Scope note: Cells lining the outside of the BLASTOCYST. After binding to the ENDOMETRIUM, trophoblasts develop into two distinct layers, an inner layer of mononuclear cytotrophoblasts and an outer layer of continuous multinuclear cytoplasm, the syncytiotrophoblasts, which form the early fetal-maternal interface (PLACENTA).
Allowable Qualifiers: CH chemistry
CL classification
CY cytology
DE drug effects
EN enzymology
IM immunology
ME metabolism
MI microbiology
PA pathology
PH physiology
PS parasitology
RE radiation effects
TR transplantation
UL ultrastructure
VI virology
Public MeSH Note: 68
History Note: 68(64)
DeCS ID: 14730
Unique ID: D014327
NLM Classification: QS 645
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1968/01/01
Date of Entry: 1999/01/01
Revision Date: 2008/07/08
Trophoblasts - Preferred
Concept UI M0022032
Scope note Cells lining the outside of the BLASTOCYST. After binding to the ENDOMETRIUM, trophoblasts develop into two distinct layers, an inner layer of mononuclear cytotrophoblasts and an outer layer of continuous multinuclear cytoplasm, the syncytiotrophoblasts, which form the early fetal-maternal interface (PLACENTA).
Preferred term Trophoblasts
Entry term(s) Trophoblast
Cytotrophoblasts - Narrower
Concept UI M0401344
Scope note Trophoblasts with single nucleus and defined cellular structures. As the PLACENTA develops, pockets of cytotrophoblasts serve as stem cells for syncytiotrophoblasts.
Preferred term Cytotrophoblasts
Entry term(s) Cytotrophoblast
Syncytiotrophoblasts - Narrower
Concept UI M0401345
Scope note Trophoblasts with multinuclear cytoplasm and undefined cellular structures. Syncytiotrophoblasts secrete proteolytic enzymes that erode the ENDOMETRIUM for EMBRYO IMPLANTATION. They also produce steroid, peptide, and protein hormones (PLACENTAL HORMONES).
Preferred term Syncytiotrophoblasts
Entry term(s) Syncytiotrophoblast



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