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1. Anatomy A muscular membranous partition separating the abdominal and thoracic cavities and functioning in respiration. Also called midriff.
2. A membranous part that divides or separates.
3. A thin disk, especially in a microphone or telephone receiver, that vibrates in response to sound waves to produce electric signals, or that vibrates in response to electric signals to produce sound waves.
4. A contraceptive device consisting of a thin flexible disk, usually made of rubber, that is designed to cover the uterine cervix to prevent the entry of sperm during sexual intercourse.
5. A disk having a fixed or variable opening used to restrict the amount of light traversing a lens or optical system.

[Middle English diafragma, from Late Latin diaphragma, midriff, from Greek, partition, from diaphrassein, to barricade : dia-, intensive pref.; see dia- + phrassein, phrag-, to enclose.]

di′a·phrag·mat′ic (-frăg-măt′ĭk) adj.
di′a·phrag·mat′i·cal·ly adv.


a. diafragmático-a, rel. al diafragma.
References in periodicals archive ?
A traumatic right diaphragmatic rupture as the result of blunt trauma is a rare condition.
Right sided diaphragmatic rupture with consequently hepatothorax is a rare condition.
The differential diagnosis must be made from diaphragmatic rupture and diaphragmal evantration.
Intraperitoneal air in the diagnosis of blunt diaphragmatic rupture.
The dependent viscera sign is seen with diaphragmatic rupture when there is loss of the posterior support of the diaphragm, allowing the viscera to drop against the posterior ribs and obliterating the posterior costophrenic recess.
His past medical history included shrapnel wounds sustained in Vietnam, resulting in a perforated viscus as well as splenic and diaphragmatic rupture.
The 'dependent viscera' sign in CT diagnosis of blunt traumatic diaphragmatic rupture.
Depending on the level of trauma, shock may also mask the respiratory problems, and the vet will need to control that first before going on to correct a diaphragmatic rupture.
2) In developing countries where initial care of severely injured patients and diagnostic facilities are less than optimal, blunt traumatic diaphragmatic rupture (BTDR) may go undiagnosed.
With either the abdominal or thoracic approach, no cases of acute diaphragmatic rupture following repair have been reported.
The exact aetiology of diaphragmatic rupture remains unclear but there is a sudden shift of pressure across the abdomino-thoracic pressure gradient which causes herniation of bowel contents through the diaphragm.