amniochorionic membrane

am·ni·o·cho·ri·on·ic mem·brane

(amnē-kōr-ē-onik membrān)
A composite membrane, formed by fusion of the amnion and chorion, within which the fetus develops.
References in periodicals archive ?
infection of the amniochorionic membranes triples risk.
QUEBEC CITY -- Very-low-birth-weight infants with Escherichia coli of the amniochorionic membranes are at more than four times the risk of having cerebral palsy, compared with those without the infection, Helen M.
Under a protocol at the hospital where the study was conducted, most very-low-birth-weight babies had their placentas cultured and examined histologically, focusing specifically on the interface between the amniochorionic membranes.