AskDefine | Define conceptus

Dictionary Definition

conceptus n : an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life [syn: embryo, fertilized egg]

User Contributed Dictionary



Derived from the Latin concipere


  1. The fetus or embryo, including all the surrounding tissues protecting and nourishing it during pregnancy.

Extensive Definition

Conceptus (latin is conceptio, derivatives of zygote) denotes the embryo and its adnexa (appendages or adjunct parts) or associated membranes (i.e. the products of conception) 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, chorionic (gestational sac), and yolk sac.
Privacy Policy, About Us, Terms and Conditions, Contact Us
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2
Material from Wikipedia, Wiktionary, Dict
Valid HTML 4.01 Strict, Valid CSS Level 2.1