conceptus
Americannoun
plural
conceptusesEtymology
Origin of conceptus
1935–40; < New Latin; Latin: the action of conceiving, hence, something that is conceived, fetus, embryo, equivalent to concep- (variant stem of concipere to conceive; concept ) + -tus suffix of v. action
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
If a conceptus has only a single chromosome—a Y—it probably fails to implant in the uterus and never develops.
From Scientific American
Normally, when a sperm fertilizes an egg, the resulting human conceptus has 23 pairs of chromosomes.
From Scientific American
An important function of progesterone, Fessler said, is that it dials down an early-warning part of the immune system, inflammation, which might prevent the embryo, or conceptus, from implanting itself in the placenta.
From Seattle Times
An important function of progesterone, Dr. Fessler said, is that it dials down an early-warning part of the immune system, inflammation, which might prevent the embryo, or conceptus, from implanting itself in the placenta.
From New York Times
Time of implantation of the conceptus and loss of pregnancy.
From Scientific American
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.