FEMALE SPERM

This term is given to the spermatozoa that bear an X chromosome and therefore determine that an ovum they fertilise will become a female...

FERREE-RAND DOUBLE BROKEN CIRCLES

a figure that is used to test for visual acuity and astigmatism. A gap size is for acuity and if one gap is easier...

FETICIDE

the term used when a foetus or embryo is destroyed in the uterus. See abortion.

FIELD EXPERIMENT

an experiment that is not conducted inside a laboratory but is done outside in the real world setting. Participants are exposed to different levels...

FIGURAL SYNTHESIS

our creation of a meaningful figure from the synthesis of selected portions of the incoming stimulus input that was proposed in 1967 by U.S....

FILLED-SPACE ILLUSION

term that is used to describe the source of a distortion seen in distance estimation. Distance estimation increases as a function of the amount...

FIREWALL

device or a program that is used to stop unwanted codes and data from entering a computer. Unwanted is blocked but other data is...

FISTULA

the name that is given to a passageway that is not normal between 2 internal organs or an organ and the outside of...

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