单词 | papula |
释义 | papulan. 1. Medicine. A small lump or swelling on the skin; (in later use) spec. = papule n. 2. Now rare. ΘΚΠ the world > health and disease > ill health > a disease > eruption > [noun] > spot of > pimple pimplea1398 plouk?c1425 whealc1440 knoll1499 red spota1500 knop1558 blob1597 bumb1598 pumple1601 burl1607 pimple spot1658 tiler1660 pipjenny1670 papula1694 grub1731 papilla1793 papule1828 maculopapule1900 hickey1934 zit1965 1658 E. Phillips New World Eng. Words Papulosity, (lat.) a fulnesse of blisters, called in Latin Papulæ.] 1694 W. Salmon tr. Y. van Diemerbroeck Anat. Human Bodies (new ed.) ii. 1 The first of these some call more particularly ἐκθύματα..; to which some have added the other name of Papulæ, small Teats or Pushes. 1730 T. Fuller Exanthematologia i. 152 The sixth Day, or thereabouts, the Papulæ dying, and the Cuticula breaking, a roughish Scurfiness comes upon the Forehead and Face. 1762 J. Ball Mod. Pract. Physic (ed. 2) I. 217 These spots consist of very little red papulæ, thick set together, and somewhat raised above the plain of the skin. 1808 R. Willan On Cutaneous Dis. p. xi Papula, a very small and acuminated elevation of the cuticle, with an inflamed base, not containing a fluid, nor tending to suppuration. 1822 J. M. Good Study Med. I. 199 An efflorescence on the surface [of the skin], sometimes in the form of minute red millet-seed papulæ. 1877 L. A. Duhring Pract. Treat. Dis. Skin 41 Papulæ are circumscribed, solid elevations of the skin, varying in size from a pin-head to a split pea. 1986 Dermatologica 171 106 The evolution has been progressive and eruptive, with the lesions, beginning as reddish papulae, acquiring later a verrucous appearance. 2001 Ann. Hematol. 80 178 Erythematous skin papulae and spotted pulmonary infiltrations were present. 2. Biology (now chiefly Zoology). A small rounded protuberance on the surface of an organ or structure; spec. any of numerous finger-like projections of the upper surface of certain starfishes, involved in gas exchange and removal of nitrogenous waste. Cf. papule n. 1. ΘΚΠ the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] boss1386 process1565 pitch1566 promontorium1791 promontory1793 papula1795 papule1821 outgrowth1855 upgrowth1870 the world > plants > part of plant > part defined by form or function > protuberance or lump > [noun] node1391 knot1398 burble1555 tubercle1597 hump1709 pustule1756 wart1793 papula1795 nodule1796 papule1821 papilla1832 grain1836 wartlet1856 1795 A. H. Haworth Observ. Genus Mesembryanthemum ii. 115 Margin regular edged, with globular papulæ. 1832 J. Lindley Introd. Bot. i. ii. 44 When the papillæ are much elongated beyond the surface, as in many stigmas, of which they form the collecting fringes, they receive sometimes the name of papulæ. 1861 R. Bentley Man. Bot. i. i. 50 Those [sessile glands] with one secreting cell placed above the level of the epidermis are frequently termed papulæ or papillæ. 1862 W. Stimpson in Proc. Boston Soc. Nat. Hist. 8 261 By the term ‘papulæ’ we have designated those delicate closed vesicles..which project from the pores among the tergal and interambulacral plates. 1887 Bull. Torrey Bot. Club 14 222 Under Umbilicaria is a species..described as similar to U. pustulata, but the thallus obscurely cinereous and reticulate-rugose between the papulæ. 1962 D. Nichols Echinoderms iii. 38 Little blisters of the body wall, papulae, formed of the ciliated external and coelomic epithelia. 1978 Cell & Tissue Res. 187 515 The ultrastructure of the dermal papulae of a starfish (Asterias rubens) is consistent with a respiratory function. 1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) xviii. 936/1 Coelomocytes engulf waste, and when laden, some migrate to the papulae and podia, where they collect at the distal end. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < n.1694 |
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