单词 | punctum saliens |
释义 | punctum saliensn. 1. Biology. The first trace of the heart in an embryo, appearing as a pulsating point. Cf. salient point at salient adj. 3a. Now chiefly historical. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > heart punctum saliens1653 cardioblast1886 1653 W. Harvey Anat. Exercitations 91 But that Point (which we have declared to be placed in the Middle of the round, as if it were the center, and which is annexed to the yolke) doth vanish quite away, before the Point, which Aristotle calleth Punctum saliens, can be discerned at all, or (as I believe) becometh red, and leaping. 1659 W. Charleton Nat. Hist. Nutrition 40 The yelk remains intire a good while after there is bloud to be seen in the punctum saliens. 1684 tr. S. Blankaart Physical Dict. 242 In the growth of an Egg you see a little Speck, or Cloud,..which growing gradually thicker, acquires a kind of slimy Matter, in the middle whereof you see first this Punctum saliens (a little Speck that seems to leap). 1758 T. Flloyd & J. Hill tr. J. Swammerdam Bk. Nature i. 84/2 The punctum saliens, or beating heart, is observed to be deeply tinctured with the like colour. 1798 R. J. Thornton Med. Extracts II. p. x In the first rudiments of animal life, even before the brain is formed, the punctum saliens points out the embrio heart in miniature, and marks its primæval irritability as a sure presage of vitality. 1856 Lancet 9 Feb. 143/2 The vessels are, however, first formed, and the flow of the earliest blood globules is not from, but towards, the Punctum Saliens, or commencing heart. 1916 Sci. Monthly July 60 He [sc. Aristotle] discovered the heart of the unhatched chick (punctum saliens) and saw it pulsating. 1994 Jrnl. Hist. Ideas 55 191 He [sc. Harvey] recorded in his De Generatione Animalium how he had shown Charles a ‘punctum saliens’ or pulsating point in the uterus of a doe. 2. figurative. A starting point; a source or origin of life or activity. In later use also: the heart of a matter, the central or most important point (cf. salient adj. 5b).In quot. a1882 as part of an extended metaphor. ΘΚΠ the world > relative properties > order > order, sequence, or succession > beginning > [noun] > starting-point terminus a quo1549 starting place1570 terma1628 salient motion1664 salient pointa1682 punctum saliens1695 starting point1782 Adam and Eve1793 starting ground1802 point of departure1804 baseline1836 point de départ1848 zero1849 start point1860 jumping-board1878 jumping-off board1914 jumping-off point1927 starting block1932 square one1952 1695 J. Collier Misc. upon Moral Subj. 88 Methinks, if it might be, I would gladly understand the Formation of a Soul, run it up to its Punctum Saliens, and see it beat the first conscious Pulse. 1713 A. Collier Clavis Universalis 142 To remove an External World, is to prick it in its punctum saliens, or quench its very vital Flame. 1798 Anti-Jacobin 16 Apr. (1799) II. 171 (note) We may conceive this Primeval Point, or Punctum Saliens of the Universe, evolving itself by its own energies. 1814 M. Birkbeck Jrnl. 18 Sept. in Notes Journey through France 83 Paris is the punctum saliens, the organ of political feeling; elsewhere political feeling is absorbed in the love of tranquillity. a1882 R. W. Emerson in Atlantic Monthly (1892) Jan. 28/1 Linnæus, like a naturalist, esteeming the globe a big egg, called London the punctum saliens in the yolk of the world. 1949 Harvard Theol. Rev. 42 82 The second question is the punctum saliens in Lévy-Bruhl, that is his contention that to the primitive mind the part is identical to the whole. 1977 Language 53 56 The ‘punctum saliens’ is that it was the ‘paradigmatic’ alternation u ∼ o which was felt to render the constituent structure opaque. 1999 A. N. Williams Ground of Union i. 7 Congar goes so far as to identify the conception of the ultimate end—and so the relation of nature and grace as the punctum saliens of the duality of the tradition between East and West. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1653 |
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