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redstart

n. 红尾鸟

红尾鸟

WordNet (r) 3.0 (2006) (WordNet)

redstart
n 1: flycatching warbler of eastern North America the male
having bright orange on sides and wings and tail [synonym:
{American redstart}, {redstart}, {Setophaga ruticilla}]
2: European songbird with a reddish breast and tail; related to
Old World robins [synonym: {redstart}, {redtail}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Redstart \Red"start`\ (-st?rt`), n. [Red start tail.] (Zool.)
(a) A small, handsome European singing bird ({Phoenicurus
phoenicurus}, formerly {Ruticilla phoenicurus}),
allied to the nightingale; -- called also {redtail},
{brantail}, {fireflirt}, {firetail}. The black
redstart is {Phoenicurus ochruros} (formerly
{Phoenicurus tithys}), and is now rare and protected
by law in England. The name is also applied to several
other species of {Ruticilla} and allied genera, native
of India.
(b) An American fly-catching warbler ({Setophaga
ruticilla}). The male is black, with large patches of
orange-red on the sides, wings, and tail. The female
is olive, with yellow patches.
[1913 Webster PJC]

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SPECT scan - Mayo Clinic
While many imaging tests show what the internal organs look like, a SPECT scan can show how well the organs are working For instance, a SPECT scan can show how well blood is flowing to the heart; what areas of the brain are more active or less active; or what parts of the bone are affected by cancer
5 Major Types of Brain Scans and Their Importance
SPECT scans use gamma rays and a special camera to produce images that show blood flow in the brain SPECT imaging uses radio-tracers to highlight the flow of blood and metabolic activity in the brain, revealing areas of decreased flow indicating areas of potential brain damage
A New Way Forward: How Brain SPECT Imaging Can Improve . . .
In the past three decades, brain single-photon-emission-computed-tomography (SPECT) imaging has garnered a significant, evidence-based foundation for a wide array of indications relevant to the field of clinical psychiatry, including dementia,
Is a SPECT Brain Scan Worth It? Costs, Benefits, and Accuracy
The SPECT brain scan is a way to see how well different parts of the brain work It uses a special kind of imaging called Single Photon Emission Computed Tomography
Brain SPECT | UW Department of Neurological Surgery
A brain SPECT, or Single Photon Emission Computed Tomography, scan is used to detect altered blood flow in the brain A SPECT scan is a nuclear medicine exam that uses a radioactive compound to diagnose some diseases of the brain
SPECT Scan: Uses, Procedure, Costs Preparation Explained
Learn about SPECT scans, a key nuclear medicine imaging test for diagnosing brain and heart conditions Discover the procedure, benefits, risks, and how to prepare for a SPECT scan

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