placenta labyrinth

Preferred Label : placenta labyrinth;

Uberon definition : The placental layers where embryonic blood vessels are surrounded by trophoblast cells and maternal blood;

Uberon synonym : placental labyrinth; labyrinthine layer; labyrinthine layer of placenta;

Uberon Taxon note : Mouse-human differences: The mouse and human placentas have labyrinthine and villous types of interdigitation between maternal and fetal tissues, respectively ... The mouse placental labyrinth is composed of an intricate network of maternal blood spaces and embryonal blood vessels. Maternal and embryonal blood is separated by a placental barrier that consists of four cellular layers: layer I trophoblasts line the maternal lacunae, trophoblasts in layers II and III form syncytial-like layers, and endothelial cells line the embryonic vessels[DOI: 10.1073/pnas.96.14.8138 ];

Details

Origin ID

0003946;

Automatic exact mappings (from CISMeF team)
- chorionic villi [MeSH Descriptor]
contributes to morphology of
- placenta [UBERON concept]
has part
- placenta fetal blood space [UBERON concept]
- placenta intervillous maternal lacunae [UBERON concept]
- placental labyrinth vasculature [UBERON concept]
- placental labyrinth villous [UBERON concept]
part of
- placenta [UBERON concept]

Keyword's position in hierarchy(ies) :

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