dilatation


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

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 ?
KEYWORDS: Idiopathic Esophageal Achalasia, Lower esophageal sphincter, Pneumatic balloon dilatation.
Oesophageal lesion with stricture and hold up of contrast with proximal dilatation were present in 55% patients, in 20% patients, the barium swallow was normal, which were later on proved to have the oesophageal stricture on endoscopy.
Gradual dilatation is essential and the procedure is largely individualised, as the optimal frequency and timing has not been established.
Renal pelvic dilatation (RPD) is one of the most common abnormalities detected on antenatal ultrasonography.
most appropriate time for administration was at cervical dilatation of 2.
Complications and their impact after pneumatic dilatation for achalasia: Prospective longterm follow-up study.
Fifty six women scheduled to have diagnostic dilatation and curettage due to abnormal uterine bleeding were included in this study after going through inclusion and exclusion criteria.
However, their potential role still exists in those with early disease, in elderly patients unsuitable for surgery or dilatation and in whom Botulinum toxin injections have failed.
The volume dilatation [epsilon] is given by the relation [1, see
Clinical cases presented for cervical dilatation have been tried with Valethamate bromide, Dexamethasone or Prostaglandin therapies with varied results but there are no concrete recommendations regarding the treatment.
Objective: To compare the patient's acceptability of Pipelle and conventional dilatation and curettage (D&C) for endometrial sampling and to estimate the average cost of both the procedures.