dilation


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Related to dilation: Cervical dilation

dilation

 [di-la´shun]
1. the act of dilating or stretching.
3. an increase in the diameter of a circular structure, such as the pupil.
dilation and curettage D and C; expanding of the ostium uteri to permit scraping of the walls of the uterus. See also abortion.

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]

dilation

/di·la·tion/ (di-la´shun)
1. the act of dilating or stretching.

dilation

(dī-lā′shən, dĭ-)
n.
1.
a. The act of expanding or enlarging or the state of being expanded or enlarged: dilation of the cervix during labor.
b. The condition of being abnormally expanded or enlarged, as of an organ, orifice, or tubular structure in the body.
2. A lengthy spoken or written discussion on a topic: "an Edith Whartonesque dilation on a social class steeped in hypocrisy" (Caroline Seebohm).

dilation

[dīlā′shən]
Etymology: L, dilatare, to widen
1 the condition of being dilated or stretched.
2 the process of causing a physiological increase in the diameter of a body opening, blood vessel, or tube. Examples include the widening of the pupil of the eye by the use of cycloplegic eyedrops for examination of the retina and opening of the uterine cervix to facilitate curettage by the use of a dilator. Also called dilatation.
enlarge picture
Dilation of the pupils may indicate fear, shock, or cardiac arrest

dilation

Ophthalmology A process by which the pupil is temporarily enlarged with mydriatics to improve visualization of the fundus

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.

dilation,

n widening or opening of any orifice in the body.

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.

dilation (dīlā´shən),

n the act of stretching or dilating.

dilation

see dilatation.

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 ?
Balloon angioplasty was performed to relieve pulmonary stenotic sites, and the mean age at dilation was 5.
pneumatic dilation, per oral endoscopic myotomy (POEM), injection of botulinum toxin and metal or plastic stent6,7.
Major players operating in the global sinus dilation devices market and included in this report are Acclarent, Inc.
Advancements in endoscopic techniques and drug therapy, especially biological products, have enabled endoscopic dilation to be applied for intestinal stenosis in patients with CD, followed by enhanced medical treatments and the postponement or even avoidance of surgery (17-25).
Friedman plotted labor progress with centimeters of cervical dilation on the Y-axis and time on the X-axis, and divided labor into several stages and phases.
Subtypes can help determine management, as Type III has the worst overall prognosis, and Type II has the best prognosis when treated with pneumatic dilation or myotomy.
Complete resolution of dysphagia, defined as a dysphagia score of 0, occurred in 23% of the dilation group and 57% of the no-dilation controls, not a statistically significant difference.
Friedman's research identified two phases of the first stage of labor, the latent phase, where cervical dilation is slow, and the active phase, where cervical dilation is much faster.
This project evaluated the perceived effectiveness of a cervical dilation visual aid during instruction of the cervical dilation process in childbirth education classes for adolescents.
failed at least one dilation and incision, resection) is 1 to 2%.