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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 ?
To practice diaphragmatic breathing, place one hand on your chest and the other on your abdomen.
Directly reduce stress arousal using diaphragmatic breathing.
Her chest examination revealed dullness to percussion in both bases, paradoxical inward movement of the abdominal wall, and poor diaphragmatic movement with inspiration.
Laparotomy confirmed an obstructed diaphragmatic hernia with perforation of the transverse colon into the left hemithorax cavity.
Recently, direct evidence for diaphragmatic atrophy with MV has been obtained in mechanically ventilated, brain-dead organ donors (11).
The diaphragmatic mass probably represented a vascular malformation with a predominantly capillary component; however, some features suggestive of a congenital haemangioma were present.
If EC associated with deficiency of anterior diaphragm, midline supraumbilical abdominal wall defect, defect in diaphragmatic pericardium, various congenital intracardiac abnormalities, and defect of lower sternum, called pentalogy of Cantrell (PC) with an estimated incidence of 1/65.
Use of the unique Edi cartheter in traditional modes of ventilation provides clinicians with data on electrical diaphragmatic activity to help establish treatment parameters or potential sedation levels.
Relaxation techniques are also described in detail including diaphragmatic breathing, meditation, yoga, massage therapy and clinical biofeedback.
Autum Bell was born prematurely on October 7 with a hole in the heart and congenital diaphragmatic hernia - a hole in the diaphragm where her stomach organs were in her chest cavity.
Although no hernia sac was noted, the diaphragmatic defect was repaired after reduction of the herniated contents.