The fertilization of an ovum by a sperm to form a zygote.
The start of pregnancy.
The formation of a conceptus or an implanted embryo.
The power or faculty of apprehending of forming an idea in the mind; the power of recalling a past sensation or perception; the ability to form mental abstractions.
An image, idea, or notion formed in the mind; a concept, plan or design.
The creation or beginning of something; the establishment.
The act of conceiving in the womb; the initiation of an embryonic animal life.
The state of being conceived; beginning.
The power or faculty of apprehending of forming an idea in the mind; the power of recalling a past sensation or perception.
The formation in the mind of an image, idea, or notion, apprehension.
The image, idea, or notion of any action or thing which is formed in the mind; a concept; a notion; a universal; the product of a rational belief or judgment. See Concept.