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diaphragm    音标拼音: [d'ɑɪəfr,æm]
n. 横隔膜,控光装置

横隔膜,控光装置

diaphragm
n 1: a mechanical device in a camera that controls size of
aperture of the lens; "the new cameras adjust the diaphragm
automatically" [synonym: {diaphragm}, {stop}]
2: (anatomy) a muscular partition separating the abdominal and
thoracic cavities; functions in respiration [synonym:
{diaphragm}, {midriff}]
3: a contraceptive device consisting of a flexible dome-shaped
cup made of rubber or plastic; it is filled with spermicide
and fitted over the uterine cervix [synonym: {diaphragm},
{pessary}, {contraceptive diaphragm}]
4: electro-acoustic transducer that vibrates to receive or
produce sound waves

Diaphragm \Di"a*phragm\, n. [L. diaphragma, Gr. ?, fr. ? to
fence by a partition wall; dia` through ?, ?, to fence,
inclose; prob. akin to L. fareire to stuff: cf. F.
diaphragme. See {Farce}.]
1. A dividing membrane or thin partition, commonly with an
opening through it.
[1913 Webster]

2. (Anat.) The muscular and tendinous partition separating
the cavity of the chest from that of the abdomen; the
midriff.
[1913 Webster]

3. (Zool.) A calcareous plate which divides the cavity of
certain shells into two parts.
[1913 Webster]

4. (Opt.) A plate with an opening, which is generally
circular, used in instruments to cut off marginal portions
of a beam of light, as at the focus of a telescope.
[1913 Webster]

5. (Mach.) A partition in any compartment, for various
purposes.
[1913 Webster]

{Diaphragm pump}, one in which a flexible diaphragm takes the
place of a piston.
[1913 Webster]

128 Moby Thesaurus words for "diaphragm":
IUD, abdomen, abomasum, acoustical network, bag, barrier,
bay window, beerbelly, belly, birth control device, brattice,
breadbasket, buffer, buffer state, bulkhead, bumper,
capacitor speaker, center, cloison, coaxial speaker, collision mat,
condom, cone, contraceptive, contraceptive foam, core, craw, crop,
crossover network, cushion, diameter, dissepiment, dividing line,
dividing wall, division, dynamic speaker, earphone,
electrodynamic speaker, electromagnetic speaker,
electrostatic speaker, embonpoint, equator, excited-field speaker,
fender, first stomach, full-fidelity speaker, gizzard, gullet, gut,
headphone, headset, heart, high-fidelity speaker,
high-frequency speaker, honeycomb stomach, horn, interior,
interseptum, intrauterine device, kernel, kishkes, loudspeaker,
low-frequency speaker, manyplies, mat, maw, mean, median, middle,
midmost, midrange speaker, midriff, midsection, midst,
monorange speaker, moving-coil speaker, nucleus, omasum,
oral contraceptive, pad, panel, paries, partition, party wall,
paunch, permanent magnet speaker, pessary, pot, potbelly, potgut,
property line, prophylactic, psalterium, pusgut, rennet bag,
reticulum, rubber, rumen, second stomach, separation, septulum,
septum, shock pad, skin, spare tire, speaker, speaker system,
speaker unit, spermicidal jelly, spermicide, stomach, swagbelly,
the pill, thick, thick of things, third stomach, triaxial speaker,
tum-tum, tummy, tweeter, underbelly, ventripotence, voice coil,
waist, waistline, wall, woofer, zone


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  • What is the Diaphragm? Related Conditions - Cleveland Clinic
    The diaphragm is a muscle that helps you inhale and exhale (breathe in and out) This thin, dome-shaped muscle sits below your lungs and heart It’s attached to your sternum (a bone in the middle of your chest), the bottom of your rib cage and your spine
  • Diaphragm: Anatomy, Function, Diagram, Conditions, and Symptoms
    The diaphragm is a thin skeletal muscle that sits at the base of the chest and separates the abdomen from the chest It contracts and flattens when you inhale
  • Thoracic diaphragm - Wikipedia
    While the diaphragm is one muscle, it is composed of two distinct muscle regions: the costal, which serves as the driver in the work of breathing, and crural diaphragm, which serves as an "anchor;" attaching the muscle to the lower ribs and lumbar vertebrae
  • The Diaphragm: Anatomy and Function - Verywell Health
    The diaphragm is a dome-shaped muscle that separates the chest from the abdomen This muscle, also called the thoracic diaphragm, is the main muscle used for breathing and is also involved in other bodily processes
  • Diaphragm | Definition, Function, Location | Britannica
    diaphragm, dome-shaped, muscular and membranous structure that separates the thoracic (chest) and abdominal cavities in mammals; it is the principal muscle of respiration
  • The Diaphragm - Actions - Innervation - TeachMeAnatomy
    Separates the thoracic cavity from the abdominal cavity (the word diaphragm is derived from the Greek ‘diáphragma’, meaning partition) Undergoes contraction and relaxation, altering the volume of the thoracic cavity and the lungs, producing inspiration and expiration
  • Diaphragm: Origin, Insertion, Openings, Function, Diagram
    The diaphragm is a barrier between the thoracic and abdominal cavities, preventing abdominal organs from protruding into the chest cavity It plays a vital role in maintaining intra-abdominal pressure by contracting along with the anterolateral abdominal muscles
  • Diaphragm - Structure, Anatomy, Function, Diagram, Location
    The diaphragm is a muscular partition that separates the thoracic cavity from the abdominal cavity in the human body It is an important structure that plays a crucial role in respiration, as it is responsible for generating the negative pressure that helps to draw air into the lungs





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