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单词 darwin's point
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Darwin's point
1. Anatomy. In the genitive. Designating a small protuberance often present on the inner edge of the descending portion of the helix of the human ear (often considered to be an atavistic remnant of an earlier shape of the mammalian ear); esp. in Darwin's point, Darwin's tubercle. Also: designating an ear having such a protuberance. Cf. Darwinian tubercle n. at Darwinian adj. and n. Compounds.
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1871 C. Darwin Descent of Man I. i. 21 The celebrated sculptor, Mr. Woolner, informs me of one little peculiarity in the external ear, which..consists in a little blunt point, projecting from the inwardly-folded margin, or helix.]
1871 Jrnl. Anat. & Physiol. 5 365 It may be confidently predicted that Darwin's ear will become as notorious as that of Jenkins.
1883 Jrnl. Anthropol. Inst. 12 82 Cases of ‘Darwin's point’ in the ear are constantly met with.
1890 Public Health 3 104/2 A few had Darwin's tubercle strongly developed.
1957 Encycl. Brit. VII. 823/2 Round the margin [of the ear] in its upper three-quarters is a rim called helix, in which is often seen a little prominence known as Darwin's tubercle, representing the folded-over apex of a prick-eared ancestor.
1985 S. L. Gilman Difference & Pathol. iii. 95 All of the signs point to the ‘primitive’ nature of the prostitute's physiognomy; stigmata such as ‘Darwin's ear’..are a sign of atavism.
2008 New Scientist 17 May 44/4 Darwin's point, or tubercle, is a minor malformation of the junction of the fourth and fifth hillocks of Hiss [sic].
extracted from Darwinn.
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