surrogate

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surrogate

 [sur´o-gat]
a substitute; a thing or person that takes the place of something or someone else, as a drug used in place of another, or, in psychoanalysis, the projection onto another person of one's mother or father image and unconscious and inappropriate response to that person with the feelings and attitudes felt for the real mother or father.

sur·ro·gate

(sŭr'ŏ-găt),
1. A person who functions in another's life as a substitute for some third person, such as a relative who assumes the nurturing and other responsibilities of the absent parent.
2. A person who reminds one of another person so that one uses the first as an emotional substitute for the second.
[L. surrogo, to put in another's place]

surrogate

(sûr′ə-gĭt, -gāt′, sŭr′-)
n.
1. One that takes the place of another; a substitute.
2.
a. A person or animal that functions as a substitute for another, as in a social or family role.
b. A surrogate mother.
3. In Freudian psychology, a figure of authority who takes the place of the father or mother in a person's unconscious or emotional life.
adj.
Substitute.
tr.v. (-gāt′) surro·gated, surro·gating, surro·gates
1. To put in the place of another, especially as a successor; replace.
2. To appoint (another) as a replacement for oneself.

surrogate

Research
A test or species (of animals) used in the place of another test or target species.

sur·ro·gate

(sŭr'ŏ-găt)
1. A person who functions in another's life as a substitute for some third person, such as a relative who assumes the nurturing and other responsibilities of the absent parent.
2. A person who so reminds one of another person that one uses the first as an emotional substitute for the second.
[L. surrogo, to put in another's place]

sur·ro·gate

(sŭr'ŏ-găt)
Person who functions in another's life as a substitute for some third person.
[L. surrogo, to put in another's place]