CTA

CTA

1. (astronomy) Initialism of Caltech Survey of Radio Sources, Part "A".

(Caltech Radio Survey):

• (Cambridge Survey of Radio Sources) 1C / 2C / 3C / 4C / 5C / 6C / 7C / 8C

• CTB (“Caltech Survey of Radio Sources, Part B”)
• CTC (“Caltech Survey of Radio Sources, Part C”)
• CTD (“Caltech Survey of Radio Sources, Part D”)

CTA

1. Initialism of Chicago Transit Authority: an operator of mass transit in Chicago and some of its surrounding suburbs.
2. Initialism of Central Tibetan Administration.

CTA (countable and uncountable, plural CTAs)

1. Initialism of call to action.
2. (medicine) Initialism of computed tomography angiography.

   Synonym: angio-CT

3. (finance) Initialism of commodity trading adviser.

CTA (not comparable)

1. (pulmonology) Initialism of clear to auscultation, used to describe the lung or lungs of patient.
   • 2009, Julie M. Koehler, James E. Tisdale, “Hypertension”, in Terry L. Schinghammer, Julia M. Koehler, editors, Pharmacotherapy Casebook: A Patient-Focused Approach‎, 7th edition, McGraw Hill, →DOI, →ISBN, page 40:

     Lungs ¶ Lung fields CTA bilaterally. Few basilar crackles, mild expiratory wheezing

• (pulmonology): Frequently used in the records of patient evaluations from the start of a medical visits.

• A. C. T., A.C.T., ACT, ATC, Act., CAT, Cat, TAC, TCA, act, act., cat, tac