| 单词 | conus arteriosus |
| 释义 | > as lemmasconus arteriosus 1. Anatomy. A conical structure or organ, e.g. in the heart, the conus arteriosus, the upper and anterior part of the right ventricle. ΘΚΠ the world > life > biology > physical aspects or shapes > shape > [noun] > cone or pyramid pyramid1703 conus1885 1885 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Mollusca to Man 146 An independently pulsating part of the heart with rows of semi-lunar valves (conus arteriosus). 1886 W. N. Parker tr. R. Wiedersheim Elements Compar. Anat. 281 The longitudinal valve of the conus is incomplete. 1888 G. Rolleston & W. H. Jackson Forms Animal Life 76 The conus is separated from the ventricle by three valves. 1897 C. F. Cooper Parker & Haswell's Textbk. Zool. 84 A fourth chamber, the conus arteriosus, is added in front of the ventricle. 1907 Practitioner Oct. 466 The pulsation of the conus arteriosus is visible in the second or third interspaces. 1942 L. H. Hyman Compar. Vertebr. Anat. (ed. 2) xii. 313 In tetrapods..the conus becomes embraced by the bulges of the atrium. 1949 L. A. Adams & S. Eddy Compar. Anat. xii. 290 As the blood leaves the heart, it enters the conus arteriosus, a muscular structure containing valves that prevent the return of the blood to the heart. 1956 W. J. Hamilton Textbk. Human Anat. 712 The lower end of the spinal cord forms a blunt tapering extremity, the conus medullaris. < as lemmas |
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