formatio /for·ma·tio/ (for-ma´she-o) pl. formatio´nes [L.] formation.
formation [for-ma´shun]
for·ma·ti·o (fôr-m  sh - )n. pl. for·ma·ti·o·nes (-m  sh-nz) A structure of definite shape or cellular arrangement; a formation. |
formation [for-ma´shun]
1. the process of giving shape or form; the creation of an entity, or of a structure of definite shape.
2. a structure of definite shape.
chiasma formation the process by which a chiasma is formed; it is the cytologic basis of genetic recombination, or crossing over.
compromise formation in psychoanalysis a substituted idea or act representing and permitting partial expression of a repressed conflict.
concept formation the ability to organize a variety of information to form thoughts and ideas, a cognitive performance component in occupational therapy.
reaction formation a defense mechanism in which a person adopts conscious attitudes, interests, or feelings that are the opposites of unconscious feelings, impulses, or wishes. For example, a person may use revulsion or repugnance to defend against an unconscious desire or attraction.
formatio
pl. formationes [L.] formation.
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