| 词汇 | choroid |
| 释义 | choroid noun[ C ] anatomy specializeduk /ˈkɔː.rɔɪd/ us /ˈkɔːr.ɔɪd/ the layer between the retina and the outer white covering of the eye, that contains blood vessels and pigment (= substance giving colour)脉络膜（位于巩膜和视网膜之间，含有血管和色素） The eye & surrounding area beadily beetling canthus chiasm chiasma compound eye eyeball eyelid glassy limbus macula macula lutea macular monobrow optic nerve staring suborbital superciliary supraoptic supraorbital choroid adjective medical specializeduk /ˈkɔː.rɔɪd/ us /ˈkɔːr.ɔɪd/ resembling the chorion (= the outer membrane of the sac around the developing foetus)绒毛膜样的 Examples of choroidchoroid Sonographic imaging permits differentiation of those two intracranial conditions by visualization of the subarachnoid space and the choroid plexus. The retina, choroid, and pigment epithelium were dissected as a unit from the sclera. In vitro preparations of the isolated chick retina-pigment epithelium- choroid were super fused with atropine. The other form is known as exudative and is associated with fluid leakage or haemorrhage into the retina from an abnormal choroid vessel. As the microelectrode approached the photoreceptors, the a-wave star ted to appear and increased with depth until the microelectrode reached the choroid. The a-wave star ted to appear as the microelectrode reached the photoreceptors and its amplitude increased with depth until the microelectrode reached the choroid. We have created immortal choroid plexus epithelial cell lines to dissect the function of these regulatory elements and also investigate epigenetic factors in vitro. The evidence for visually guided regulation of eye growth is beyond refute, the choroid and sclera being the two principal targets. Following euthanasia of the animal, isolated eyecups were cleaned of vitreous and the neural retina isolated from choroid and pigment epithelium. Nitric oxide synthase-containing cells in the retina, pigmented epithelium, choroid, and sclera of the chick eye. The choroid plexus is a soft tissue and easily affected by external pressure. The retina was carefully removed from the choroid and sclera during the initial stages of fixation. It is possible that different signals modulate growth of the choroid and sclera. The retina and choroid were carefully removed from the posterior segment, separated, and immediately cooled in liquid nitrogen. This is because, as photoreceptors die, their consumption of oxygen diffusing from the choroid decreases, and oxygen levels in outer retina should rise. See all examples of choroid These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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