Chorion frondosum (SFLT)

Chorion frondosum – villus detail (HE staining)
https://www.wikiskripta.eu/images/thumb/3/3c/Chorion_4.jpg/1280px-Chorion_4.jpg Description: CT – cytotrophoblast, ST – syncytiotrophoblast, KL – brush border of syncytiotrophoblast, EEM – extraembryonic mesoderm, K – capillary with fetal blood erythrocytes (EryF), IVP – intervillous space

Chorion frondosum – placental barrier (HE stain)
https://www.wikiskripta.eu/images/thumb/b/bb/Chorion_6.jpg/1280px-Chorion_6.jpg Description: CT – cytotrophoblast, ST – syncytiotrophoblast, KL – brush border of syncytiotrophoblast, EEM – extraembryonic mesoderm, K – capillary, IVP – intervillous space with maternal blood erythrocytes (EryM), PB – placental barrier (shown as loop) includes: capillary endothelium (K), capillary endothelium basement membranes, EEM - extraembryonic mesoderm, cytotrophoblast basement membrane, CT - cytotrophoblast, ST - syncytiotrophoblast, KL - syncytiotrophoblast brush border

Chorion frondosum – cytotrophoblast and syncytiotrophoblast (HE staining)
https://www.wikiskripta.eu/images/thumb/5/5d/Chorion_7.jpg/1280px-Chorion_7.jpg Description: CT – cytotrophoblast, ST – syncytiotrophoblast, KL – brush border of syncytiotrophoblast, EEM – extraembryonic mesoderm, IVP – intervillous space, thick arrow – mitosis in cytotrophoblast

Foetal membranes

 * Umbilical Cord (SFLT)


 * Foetal membranes (SFLT)


 * Placenta (SFLT)


 * Chorion frondosum (SFLT)

Links

 * Histological atlas (3. LF UK)