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 act of conceiving.
The fertilization of an ovum by a sperm to form a zygote.
The state of being conceived; the beginning.
The start of pregnancy.
The formation of a conceptus or an implanted embryo.
The tendency to focus one's attention on one specific idea or viewpoint, to the exclusion of everything else.
A restricted field of vision as the result of looking through some type of object or a medical condition.