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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a. diafragmático-a, rel. al diafragma.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Right-sided diaphragmatic rupture with partial herniation of the liver through diaphragmatic defect.
Chest trauma causing hemothorax, lung contusion, subpulmonic collection, or diaphragmatic rupture may also mimic the situation.
Sharkey et al., "Update on managing diaphragmatic rupture in blunt trauma: a review of 208 consecutive cases," Canadian Journal of Surgery, vol.
Diaphragmatic injury presenting as a delayed hemothorax after blunt trauma is a rare and potentially life-threatening event.[sup][1] The underlying mechanism for diaphragmatic rupture in blunt injuries is due to high energy acceleration-deceleration impact that results in a sudden increase in the intra-abdominal pressure.
Ambroise Pare in 1579 described the first case of diaphragmatic rupture in a French artillery captain who initially survived a gunshot wound of the abdomen but died 8 months later of a strangulated gangrenous colon, herniating through a small diaphragmatic defect that would admit only the tip of a small finger [3].
Evaluation of blunt abdominal trauma with FAST usually leads to under diagnosis in some abdominal injuries such as gastrointestinal, vascular injuries, diaphragmatic rupture and retroperitoneal (pancreatic and adrenal) injuries that may have a negative impact on the patients outcome.9 FAST therefore, has been reported to be of less value in detection of bowel and mesenteric injuries where patient invariably undergoes operative intervention.10,11
A PubMed search was conducted using the terms "delayed presentation of post-traumatic diaphragmatic rupture" and
The margins of this tear appeared thick and fibrous, suggestive of a chronic, traumatic acquired diaphragmatic rupture. Left medial and left lateral liver lobes, left cornu uteri with two fetuses (Fig 2) and most of the small intestine were located in the left hemithorax.
CT scan confirmed the hemopneumothorax and revealed a left diaphragmatic rupture and left kidney herniation (Figure 1).
Traumatic diaphragmatic rupture (TDR) may result from a penetrating injury or blunt thoracoabdominal trauma and results in communication between the pleural and peritoneal cavities [1-3].