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con·cep·tus(kon-sep'tŭs), Avoid the incorrect plural concepti.
The products of conception or fertilization, that is, embryo or fetus, placenta, and membranes; all structures that develop from the zygote.
conceptus/con·cep·tus/ (-tus) the product of the union of oocyte and spermatozoon at any stage of development from fertilization until birth, including extraembryonic membranes as well as the embryo or fetus.
The product of conception at any point between fertilization and birth, especially the embryo and the extraembryonic membranes.
Etymology: L, concipere, to take together
conceptusThe embryo/fetus and extraembryonic tissues from fertilization to birth
con·cep·tus, pl. conceptus (kŏn-sep'tŭs)
The products of conception (i.e., fetus, placenta, embryo, and fetal membranes).
conceptusThe product of CONCEPTION.
the whole product of conception at any stage of development, from fertilization of the ovum to birth, including extraembryonic membranes as well as the embryo or fetus.