| doppler shift | <radiobiology> The amount of change in the observed frequency of a wave due to the Doppler effect, sometimes called the Doppler frequency. (09 Oct 1997) |
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| Doppler ultrasonography | Application of the Doppler effect in ultrasound to detect movement of scatterers (usually red blood cells) by the analysis of the change in frequency of the returning echoes.In many instances, ultrasound has supplanted x-radiography as the imaging method of choice, because it poses no risk to patients, is noninvasive, and of moderate cost. Doppler-corrected ultrasound enables real-time viewing of tissues, blood flow, and organs that cannot be obtained by any other method. It has proved a boon to cardiology, greatly aiding evaluations of cardiovascular patients, and to obstetrics, where it is used for foetal monitoring. (05 Mar 2000) |
| Doppler, Christian | <person> Austrian mathematician and physicist in U.S., 1803-1853. See: Doppler echocardiography, Doppler effect, Doppler phenomenon, Doppler shift, Doppler ultrasonography. (05 Mar 2000) |
| dopplerite | <chemical> A brownish black native hydrocarbon occurring in elastic or jellylike masses. Origin: Named after the physicist and mathematician Christian Doppler. Source: Websters Dictionary (01 Mar 1998) |
| dor | <zoology> A large European scaraboid beetle (Geotrupes stercorarius), which makes a droning noise while flying. The name is also applied to allied American species, as the June bug. Synonym: dorr, dorbeetle, or dorrbeetle, dorbug, dorrfly, and buzzard clock. Origin: Cf. AS. Dora drone, locust, D. Tor beetle, L. Taurus a kind of beetle. Cf. Dormouse. Source: Websters Dictionary (01 Mar 1998) |
| Dor procedure | A method of repairing congenital tunnel-type subaortic stenosis and narrowing of the left ventricular-aortic junction by aortoventriculoplasty and prosthetic valve replacement. Synonym: Dor procedure. (05 Mar 2000) |
| dorado | 1. <astronomy> A southern constellation, within which is the south pole of the ecliptic; called also sometimes Xiphias, or the Swordfish. 2. <zoology> A large, oceanic fish of the genus Coryphaena. Origin: Sp. Dorado gilt, fr. Dorar to gild, fr. L. Deaurare. See 1st Dory, and cf. Fl Dorado. Source: Websters Dictionary (01 Mar 1998) |
| doraphobia | Morbid fear of touching the skin or fur of animals. Origin: G. Dora, hide, skin, + phobos, fear (05 Mar 2000) |
| dorbeetle | <zoology> See 1st Dor. Source: Websters Dictionary (01 Mar 1998) |
| doree | <zoology> A European marine fish (Zeus faber), of a yellow colour. The popular name in England is John Doree, or Dory, well known to be a corruption of F. Jaune-doree, i. E, golden-yellow. Source: Websters Dictionary (01 Mar 1998) |
| Dorello's canal | A bony canal sometimes found at the tip of the temporal bone enclosing the abducens nerve and inferior petrosal sinus as these two structures enter the cavernous sinus. (05 Mar 2000) |
| Dorello, P | <person> Italian anatomist, *1872. See: Dorello's canal. (05 Mar 2000) |
| Dorendorf's sign | <clinical sign> Fullness of one supraclavicular groove in aneurysm of the aortic arch. (05 Mar 2000) |
| Dorendorf, H | <person> German physician, *1866. See: Dorendorf's sign. (05 Mar 2000) |
| Dorfman, Maurice | <person> 20th century Israeli dermatologist. See: Dorfman-Chanarin syndrome. (05 Mar 2000) |
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| double penis |
an anomaly resulting when the urethral groove completely divides the penile shaft during development of the embryo.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| double refraction |
that in which the incident ray is divided into two refracted rays, so as to produce a double image. Double refraction is produced by Iceland spar. See Nicol prism, under prism.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| dorsal part of lateral geniculate body |
the part of the lateral geniculate body overlying the dorsal part of the lateral geniculate nucleus.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| dorsal part of medial geniculate body |
the part of the medial geniculate body overlying the dorsal part of the medial geniculate nucleus. Called also parvocellular p. of medial geniculate body.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| dorsal |
median septum of spinal cord, posterior, s. medianum posterius medullae spinalis.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| DO | fecal droppings from a dog |
|---|---|
| DO | a competitive exhibition of dogs |
| DO | (Canada) a sled pulled by dogs |
| DO | (Canada) a sled pulled by dogs |
| DO | the brightest star in the sky |
| DO | a stinkhorn having a stalk without a cap |
| DO | metal plate on a dog collar bearing its registration number |
| DO | military identification tag worn on a chain around the neck |
| DO | fecal droppings from a dog |
| DO | Old World leafy-stemmed blue-flowered violet |
| DO | a wrench with a handle shaped like a crank |
| DO | (British) a poor job |
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