conceptus

{{For|the company|Conceptus Inc.}}

{{Infobox embryology

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A conceptus (from Latin: concipere, to conceive) is an embryo and its appendages (adnexa), the associated membranes, placenta, and umbilical cord; the products of conception{{cite web |title=Conceptus |url=https://www.collinsdictionary.com/dictionary/english/conceptus |access-date=13 March 2022}} or, more broadly, "the product of conception at any point between fertilization and birth."The American Heritage Dictionary of the English Language (2011), 5th ed., p. 381. The conceptus includes all structures that develop from the zygote, both embryonic and extraembryonic. It includes the embryo as well as the embryonic part of the placenta and its associated membranes: amnion, chorion (gestational sac), and yolk sac.{{cite web |title=Linked from conceptus |url=https://ifaa.unifr.ch/Public/EntryPage/THE/TE2010V1.pdf#page=2?note=Linked_from_Conceptus_by_E1.0.2.6.4.0.3 |access-date=13 March 2022}}