| 词汇 | sulcus |
| 释义 | sulcus noun[ C ] medical specializeduk /ˈsʌl.kəs/ us /ˈsʌl.kəs/pluralsulciuk /ˈsʌl.saɪ/ a gap where the surface of a structure is folded, for example in the brain沟;（大脑）回间沟 Substances & structures in the body abductor accessorius ACL actin adductor fundus funiculus fusiform glomerular glomerulus myosin navicular neuroendocrine neurohormonal neurohormone tendinous tendinum tendo tensor Th Examples of sulcussulcus The location of sulci could nonetheless be determined by referring to the photographs taken during each stage of the flatmounting process. The craniotomy was enlarged to include the cortical regions anterior to the central sulcus. Cuts were made along the crests of gyri and the depths of sulci. The sulci are shallow but easily distinguishable, and visible on all specimens. The shell elements are either thin, moderately ornamented, and with acute borders or thick, with marked dichotomized sulci, and obtuse borders. Brothers (1997) reports that in primates, neurons in the superior temporal sulcus are responsive to faces including conspecifics eye movements, head, and gaze direction. Further, a higher cut shows the cortical sulci that are seen when one looks at the top of the brain. The cingulum may be marked by a fold, the sulcus being weakly expressed or not expressed. A palpable nodule or a hard irregular gland with loss of the median sulcus raises the suspicion of cancer. The skull was opened above the frontal lobe unilaterally exposing the central and arcuate sulci, used as landmarks. Once anesthetized, the skin was cut, the temporal muscle was retracted, and an opening was made in the skull over the lateral sulcus. Lateral to this sulcus, two blunt ridges, extending about 15 mm caudally, indicate a ventral reinforcement of the mandible in the postsymphysial area. Each lapillus was cleaned in ethanol and immediately embedded sulcus-side down in polyester resin. After surface reconstruction of this boundary, each hemisphere was inflated, cut along the calcarine sulcus, and flattened. The single peak of gamma activity for each stimulus position in monkey #2 was par ticularly interesting because the electrode array overlapped extensively the lunate sulcus. 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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