trans

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Related to Trans face: Cis face

trans

 [tranz]
1. in organic chemistry, having certain atoms or radicals on opposite sides of a nonrotatable parent structure.
2. in genetics, denoting two or more loci, especially pseudoalleles, occurring on opposite chromosomes of a homologous pair. See alsocis.

trans

/trans / (tranz)
1. in organic chemistry, having certain atoms or radicals on opposite sides of a nonrotatable parent structure.
2. in genetics, denoting two or more loci occurring on opposite chromosomes of a homologous pair. Cf. cis.

trans

In chemistry, of two groups having the configuration of being on opposite sides of a ring or a double bond. Compare CIS.

trans,

pref. Latin prefix for
across.

trans

1. in organic chemistry, having certain atoms or radicals on opposite sides of a nonrotatable parent structure.
2. in genetics, having unlike members of a pseudoallelic, or closely linked, gene pair on the same member of a pair of homologous chromosomes. Compare cis.

trans acting
in molecular biology a sequence or regulatory protein that is produced on one DNA molecule and acts on another, e.g. a sequence on one chromosome produces a regulatory protein that regulates expression of a gene on another chromosome. See also cis acting.

Patient discussion about trans

Q. My mother had a chest pain and she was sent for a TEE. When do you need a TEE and when a normal echo is fine? My mother had a chest pain few weeks ago. we were sure its a heart attack and went to the ER. There the doctors did some tests and she was sent for a (trans thoracic echocardiogram) TEE. I want to know when do you need a TEE and when you can do just a normal echocardiogram because the TEE was very painful for her and we want to know if ther was a better way.

A. The main difference between TEE and normal echo is that in TEE u put the transducer directly in the esophagus. The transducer is the same and the idea is to put it as close as possible to the heart.
As far as I know there are some heart situations the TEE is better for diagnosis that normal echo. Maybe your mom had one of those situations?
I can recommend you to ask the ER doctor. he will probably be able to give a better explanation for his choice

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