Male assistant professors earned $117,800 per year and females made $103,900 per year. The lowest average pay for assistant professors in the 50 states was Lackawanna College at $35,700 per year. Of the collegeâs 31 full-time faculty, 18 were tenured and an additional nine had tenure-track positions.
The chorion is the outermost fetal membrane. It is formed by the fusion of the extraembryonic mesoderm with the inner surface of the trophoblasts. Its function is to aide in the production of the placenta. The chorion is the outermost fetal membrane. It is formed by the fusion of the extraembryonic mesoderm with the inner surface of the trophoblasts. Its function is to aide in the production of the placenta.
The placenta is composed of both maternal tissue and tissue derived from the embryo. The chorion is the embryonic-derived portion of the placenta. It is composed of trophoblasts, which you may remember are the cells that made up the outer cell layer of the blastocyst.et's review. The placenta is the composite structure of embryonic and maternal tissues that supplies nutrients to the developing embryo. The placenta serves three main functions: 1  Attach the fetus to the uterine wall. 2  Provide nutrients to the fetus.