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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

More discussions about trans
References in periodicals archive ?
The ship that Phuong Tran and his four daughters had boarded was headed to Guam, an American territory.
Fox40 News reported that Smith and Tran became friends of sorts years ago when Smith asked to borrow her phone to call his parents.
I still remember that day we were in prison," said Tran, "I was like 'wow this is not fun' and my mom had to bail us out.
You pass by, you don't know that we make hot sauce," Tran told reporters after a closed-door meeting the Texas delegation.
The biosolids generated create a significant volume of wet-solid waste that must be disposed of in an environmentally responsible manner," Tran said.
While acting as president of Global Stevia JSC over the last three years, Tran has cultivated relationships with government officials and agriculture experts that will assist the company in its future growth.
Tran, of no fixed address, admitted producing cannabis and the Wolverhampton Crown Court recorder said he would deported back to Vietnam when he had served his sentence.
Tran also was elected to the boards for both parent companies of Pacific Life.
Merthyr Tydfil Crown Court was told homeless Vietnamese father Son Tran, 37, had only intended to tend the cannabis factory for two weeks to pay for his fare home.
Tuan Tran, Vice President of Sales for Power Design Services, said, “the EKRA E4 In-line Automatic Screen Printer uses two high resolution cameras to make the process of applying solder paste more accurate.
Hero and deity: Tran Hung Dao and the resurgence of popular religion in Vietnam