Pathology Outlines - Anatomy & histology-placenta & umbilical …
2023年9月5日 · Decidual chorion (chorion frondosum): located in the placenta proper; it eventually fuses with the parietal decidua, thereby obliterating the uterine cavity (Front Bioeng …
Chorion: Anatomy and function - Kenhub
2023年10月30日 · The chorion is the outermost of the four membranes surrounding the developing fetus, consisting of trophoblast and underlaying extraembryonic mesoderm. It is …
Chorion - Wikipedia
The chorion is the outermost fetal membrane around the embryo in mammals, birds and reptiles (amniotes). It is also present around the embryo of other animals, like insects and molluscs. In …
Chorion frondosum | biology | Britannica
The chorion frondosum is that part of the conceptus that forms as the villi grow larger on the side of the chorionic shell next to the uterine wall. The discus-shaped placenta develops from the …
Chorion Frondosum - Cellular Development, Function
The chorion frondosum (literally "bushy chorion") arises from the polar pole of the human embryo trophoblast. It consists of a layer of trophblasts and extraembryonic mesoderm surrounded by …
The role of chorionic cytotrophoblasts in the smooth chorion …
Villi from the embryonic pole of the implanted blastocyst differentiate into the chorion frondosum and become placenta, whereas villi from the abembryonic pole, which face the uterine cavity, …
Placenta: anatomy and function - Kenhub
2023年10月26日 · The placenta is a temporary organ of pregnancy situated in the uterus. It is formed from fetal and maternal components. The fetal portion is formed by the chorion …
chorion – the fetal component of the placenta, derived from trophoblast and extraembryonic mesoderm, contains fetal blood vessels chorion frondosum – region of chorion with villi whose …
Chorion - an overview | ScienceDirect Topics
The trophoblast in contact with the decidua basalis increases in size to form the chorion frondosum—it constitutes the placental area. The placenta connects the fetus to the uterine …
Chorion - SpringerLink
2022年1月1日 · Chorion is the thin extraembryonic membrane that covers the embryos and other extraembryonic membranes of reptiles, birds, and mammals. The extraembryonic membrane …