| 单词 | patellula | 
| 释义 | † patellulan. Obsolete. rare. Apparently only attested in dictionaries or glossaries.   A small patelliform structure, as in a lichen (cf. patella n. 2(c)) or a dytiscid water beetle (cf. patella n. 2(b)). ΚΠ 1832    J. Lindley Introd. Bot.  i. iii. 205  				Patellula, an orbicular sessile shield, surrounded by a rim which is part of itself, and not a production of the thallus. 1851    W. A. Leighton Brit. Lichens 66  				Sussex! (with patellulæ) Mr. Borrer. 1890    Cent. Dict.  				Patellula, one of the sucking-disks or -cups on the lower surface of the tarsus of a male beetle of the genus Dytiscus or other water-beetle. DerivativesΚΠ 1890    Cent. Dict.  				Patellulate, same as patellate. ΚΠ 1857    R. G. Mayne Expos. Lexicon Med. Sci. 		(1860)	  				Patellula, applied by Acharius to sessile receptacles, orbicular and surrounded by a proper border..: a patellule. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online June 2021). < | 
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