conceptus

con·cep·tus

C0544900 (kən-sĕp′təs)n. The product of conception at any point between fertilization and birth, especially the embryo and the extraembryonic membranes.

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[Latin, something conceived; see concept.]

conceptus

(ˈkɒnsɛptəs) nany of various products of conception, including the embryo, fetus, and surrounding tissue

con•cep•tus

(kənˈsɛp təs)

n., pl. -tus•es. an embryo or fetus and all its associated membranes. [1935–40; < New Latin; Latin: the action of conceiving, hence, fetus, embryo <concipere to conceive]

Thesaurus

Noun

1.

conceptus - 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 lifefertilized egg, embryoanimal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movementblastosphere, blastula - early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occursgastrula - double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endodermmorula - a solid mass of blastomeres that forms when the zygote splits; develops into the blastulaumbilical, umbilical cord - membranous duct connecting the fetus with the placenta