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1A dome-shaped muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.
- ‘Separating the chest from the abdomen, the diaphragm (pronounced: die-uh-fram) plays a lead role in breathing.’
- ‘The programme works by encouraging sufferers to use the costal diaphragm, which most people only use for singing.’
- ‘Contraction of the expiratory muscles displaces the abdomen inward and the diaphragm upward into the thorax during exhalation.’
- ‘Sometimes an abscess may burst upwards through the diaphragm into the lung and the contents can be coughed up.’
- ‘This section includes portions of the lungs located in the recesses between the dome-shaped diaphragm and body wall.’
- ‘The diaphragm is a muscle that separates the chest from the stomach organs.’
- ‘And ultimately, they die from the diaphragm contracting to such an extent that they asphyxiate or suffocate to death.’
- ‘Normal breathing is a two-step process starting with contractions of the diaphragm creating a vacuum in the lungs.’
- ‘Metastatic tumor was also found in the thyroid gland, pericardium, myocardium, bilateral lungs, diaphragm, bilateral kidneys, and liver.’
- ‘The largest internal organ in the body, the liver is located in the upper right portion of the abdomen, beneath the diaphragm and above most of the stomach, intestines and pancreas.’
- ‘Hiccups are a sudden, involuntary squeezing of the diaphragm, the main breathing muscle under the lungs.’
- ‘Focus on your diaphragm muscle, you can tell a moment before it spasms.’
- ‘Pleural effusions can also be located between the lung and the diaphragm.’
- ‘Now she is learning to use her diaphragm too, as in yoga breathing.’
- ‘The diaphragm and lungs are above it; the colon and intestines are below it; and the kidneys are behind it.’
- ‘It is also possible that the close proximity between the infected lung and the diaphragm contributed to the preferential impairment of diaphragmatic contractility.’
- ‘In this type of hernia, part of the stomach pokes through the diaphragm, the main breathing muscle under the lungs.’
- ‘We hypothesized that the diaphragms of such patients might generate greater levels of oxidants than those neutralized by antioxidants.’
- ‘Functioning of the diaphragm and thoracic musculature may be diminished, contributing to respiratory compromise.’
- ‘The bottom of your heart sits just above the diaphragm and your lungs surround the heart on the sides.’
2A thin sheet of material forming a partition.
- ‘In this way the stalk expands radially to form a hemifusion diaphragm.’
- ‘New growth cycles began with the formation of new basal diaphragms and lateral walls of living chambers.’
- ‘The trans layers make contact and produce an axially symmetric hemifusion diaphragm.’
- 2.1A taut flexible membrane in mechanical or acoustic systems.
- ‘The ear canal is closed at its inner end by a thin diaphragm of stretched skin known as the eardrum or tympanic membrane, which vibrates as the air pressure changes.’
- ‘Do you really need another 1-inch diaphragm condenser mic for vocals, acoustic guitar, drum overheads, horns or piano?’
- ‘Brunelleschi's brickwork masonry envelope has an ‘improved’ cross-section and consists of inner and outer skins linked by diaphragms.’
- ‘All his recordings were made using the ‘acoustic method’ - singing in front of a large horn, connected to a recording diaphragm and cutting stylus, which cut a groove in a rotating wax disc.’
- ‘The diaphragm is a flexible disk made of sheet metal with ridges carved into it.’
- ‘The backing assembly is positioned in the head, and the backing assembly can include a plate in the chamber and a diaphragm on one side of the plate.’
- ‘Shoring was removed as final welds and structural diaphragms were added to ensure that the primary structural system performed as intended.’
- ‘Working independently, Gray and Bell both developed systems based on electromagnetic receivers with steel diaphragms.’
- ‘The diaphragm is acted upon by a predetermined reference pressure within a reference chamber 90 of the control valve.’
- ‘Those vibrations correspond to the sound pressure on the diaphragm and create the audio signal which is recorded.’
- ‘A flexible diaphragm extends over at least a portion of the oil reservoir, and a seal is secured to the diaphragm.’
- ‘The flexible metal diaphragm provides expansion capability to partially compensate for thermal expansion mismatch between the liquids and the cylinder.’
- ‘A diaphragm extends around the shaft and defines fluidly separate upper and lower chambers within a valve body.’
- ‘A flat glass plate closes the cylinder on the oil side, whereas a truncated glass sphere mounted on a thin metal diaphragm closes the side of the salt solution.’
- ‘The diaphragm is the component that needs the most attention, as it hardens with age and could rupture.’
- ‘For a condenser mic, the principle components are the diaphragm, air and backplate.’
- ‘A resonant frequency Fv2 of the rear space is set at a value in the range: F0 of the diaphragm, and Fv1 is a resonant frequency of the front space.’
- ‘A dynamic microphone's diaphragm, for instance, moves an attached coil of wire past a magnet to induce current flow in the wire. See diagram.’
- ‘Between the barrel and the air chamber is a thin plastic diaphragm, which isolates the sabot from the high pressure air until shot time.’
- ‘When such a wave impinges on a microphone diaphragm, its motion assumes that of the adjoining medium.’
3A thin contraceptive cap fitting over the cervix.
- ‘It should not be used with condoms or a diaphragm since petroleum jelly degrades latex.’
- ‘There is no official magisterial teaching either about condoms, or about anti-ovulatory pills or diaphragms.’
- ‘In the initial phases of family planning in India, emphasis was given to user-friendly contraceptives such as diaphragms and jellies that the woman could discontinue.’
- ‘Barrier methods include condoms, the diaphragm, the sponge, and the cervical cap.’
- ‘For example, to dramatically lower your odds of getting cervical cancer, don't smoke, get regular Pap tests, limit sex partners and use condoms or a diaphragm.’
- ‘Find out from this factsheet by the fpa how contraceptive diaphragms and caps work, how effective they are at preventing pregnancy and their advantages and disadvantages.’
- ‘Today she says they will be using a condom, diaphragm, Norplant, foam, and the Pill.’
- ‘Inserting a diaphragm or cap in can interrupt sex if you don't do it beforehand.’
- ‘Barrier methods of contraception include diaphragms, condoms and cervical caps.’
- ‘Heavier women should switch to a higher-dose oral contraceptive, he says, or use a backup method such as a diaphragm or condom if they want to remain on the low-dose pill.’
- ‘In addition to a diaphragm, use a condom to protect against STDs.’
- ‘A diaphragm and condoms are good choices if you want methods that can be applied right before sex.’
- ‘Some methods such as the condom and diaphragm can be stopped immediately.’
- ‘This compares with 11 percent for the condom, 17 percent for the diaphragm and about 1 percent for hormonal birth control such as the pill.’
- ‘Following his logic, we would have to say that Catholics who insist on using contraceptives should opt for condoms or diaphragms.’
- ‘Contraception consisted of a diaphragm with spermacidal gel.’
- ‘The fitting diaphragm can then be sold to the patient and the clinic stock replenished, or the patient can be sent to the pharmacy to order the correct size.’
- ‘In the Catholic pre-wedding group talk I attended, we were told that contraceptive pills make you infertile, diaphragms and IUDs are abortions and the rhythm method is the only way to family plan.’
- ‘The Pill, condoms (female and male), diaphragms, and sponges also have failure rates and are very dependant on proper use; if any of these are used incorrectly the chances of pregnancy dramatically increase.’
- ‘She has happily used a contraceptive diaphragm for the past 20 years.’
4A device for varying the effective aperture of the lens in a camera or other optical system.
- ‘Photographs were taken using a Nikon SMZ-U stereomicroscope with the diaphragm half open.’
- ‘A 60X or 40X Nikon objective was used to photobleach an area in the membrane while closing down the field diaphragm of the microscope to its minimum size.’
- ‘He suggests that a diaphragm may be placed over the lens to restrict the aperture, and so increase the depth of field - although this reduces brightness.’
- ‘In experiments to find the effect of lens diameter he invented the familiar iris diaphragm.’
- ‘If you know how the combination of a shutter, a lens, a diaphragm, and a light meter can make a picture.’
- ‘From the images above you can clearly see the lenses are identical even down to the aperture diaphragm, which begs the question is the lens in the PhotoPC 3000Z a Carl Zeiss design?’
- ‘It is not much unlike a conventional camera in the conception of design, consisting of a lens and a diaphragm that adjust the focus and control the amount of light coming through.’
- ‘The diaphragm device adjusts an exposure time by controlling incident luminous flux to the photographing element and an electric charge storage time of the photographing element.’
Late Middle English: from late Latin diaphragma, from Greek, from dia through, apart + phragma a fence.
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