dilatation


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Related to dilatation: dilatation and curettage, gastric dilatation

dilatation

 [dil″ah-ta´shun]
1. the condition, as of an orifice or tubular structure, of being dilated or stretched beyond normal dimensions by medications or instrumentation.
2. the act of dilating or stretching.
dilatation of the heart compensatory enlargement of the cavities of the heart, with thinning of the walls.

di·la·tion

(dī-lā'shŭn),
1. Physiologic or artificial enlargement of a hollow structure or opening.
2. The act of stretching or enlarging an opening or the lumen of a hollow structure.
Synonym(s): dilatation
[L. dilato, pp. dilatatus, to spread out, dilate]

dilatation

/dil·a·ta·tion/ (dil″ah-ta´shun)
1. the condition, as of an orifice or tubular structure, of being dilated or stretched beyond normal dimensions.
2. the act of dilating or stretching.

dilatation of the heart  compensatory enlargement of the cavities of the heart, with thinning of its walls.
segmental dilatation  dilatation of a portion of a tubular structure, such as the intestine, the segments on either side of the dilatation being of normal caliber.

dilatation

(dĭl′ə-tā′shən, dī′lə-)
n.
Dilation.

dil′a·ta′tion·al adj.

dilatation

See dilation.

dilatation

Widening. This may be a normal process or may imply stretching beyond normal dimensions, either as part of a disease process or as a deliberate surgical act.

dilatation

pathological or artificial enlargement of a blood vessel

di·la·tion

, dilatation (dī-lā'shŭn, dil'ă-tā'shŭn)
1. Physiologic or artificial enlargement of a hollow structure or opening.
2. Stretching an opening of a hollow structure.

dilatation, dilation

1. the condition, as of an orifice or tubular structure, of being dilated or stretched beyond normal dimensions.
2. the act of dilating or stretching. See under anatomical location, e.g. esophageal, cardiac, intestinal, gastric, pupillary.

dilatation-torsion syndrome
see gastric dilatation-volvulus.
References in periodicals archive ?
A dilatation corresponds to a change of volume of the spacetime continuum without a change of shape (as seen in Section 3) while a distortion corresponds to a change of shape of the spacetime continuum without a change in volume.
Coronary dilatation catheters are used both in traditional angioplasty procedures and in stent implantation procedures.
CryoPlasty(R) Therapy using the PolarCath Peripheral Dilatation System is a novel form of balloon angioplasty that cools the inside of occluded arteries in the legs while opening the blockages.
The Sterling Balloon Dilatation Catheter represents a significant advance in peripheral balloon manufacturing and processing.
Both the MULTI-LINK MINI VISION Coronary Stent System and the VOYAGER Coronary Dilatation Catheter are highly deliverable devices that will enable physicians to more easily treat patients with complex coronary artery disease.
of the Dante Pazzanese Cardiology Institute in Sao Paulo, Brazil commented, "The AngioSculpt scoring catheter is a promising new approach to dilatation of challenging lesions and a potentially valuable adjunct to drug eluting stents.
Maverick2 Monorail Coronary Balloon Dilatation Catheter
availability of the company's NC Stormer(R) high pressure, non-compliant balloon dilatation catheter, expanding the company's offering of advanced coronary balloon catheters.
announced today that it has been granted a major patent with broad claims from the United States Patent and Trademark Office for its novel balloon dilatation catheter invention.
X Technologies received CE Mark Approval for the FX miniRAIL(TM) Coronary Dilatation Catheter in December 2001.
035 Peripheral Dilatation Catheter is unique in that it offers very low profile and high pressure dilatation combined in one system," said Beverly Huss, president, Endovascular Solutions, Guidant.
Food and Drug Administration to proceed with the pivotal phase of the clinical study for the FX miniRAIL(TM) Coronary Dilatation Catheter.