| 单词 | plessor | 
| 释义 | plessorn. Medicine. Now rare.   = plexor n. ΘΚΠ the world > health and disease > healing > medical appliances or equipment > other surgical equipment > 			[noun]		 > percussion hammer plessor1844 plexor1844 percussion hammer1848 percussor1867 the world > health and disease > healing > diagnosis or prognosis > examination > 			[noun]		 > auscultation > percussion > instruments used in pleximeter1826 plessimeter1831 plessor1844 plexor1844 percussion hammer1848 plegometer1853 percussor1867 plessigraph1870 1844    R. Dunglison Dict. Med. Sci. 		(ed. 4)	  				Plesser, plexor. 1870    S. J. Gee Auscult. & Percuss.  i. iv. 62  				From time to time divers plessors have been contrived. 1889    Lancet 19 Jan. 109/2  				No doubt valuable information is gained with the finger or fingers thus used as a pleximeter, and a finger or fingers of the right hand as a plessor. 1936    Lancet 14 Nov. 1174/1  				On tapping lightly over the base with the plessor finger and feeling below with the palm of the hand, we noticed a peculiar tremulous fremitus which reminded me of the ‘hydatid thrill’. 1974    W. Thomson Med. Dict. 650/1  				Percussion is an aid to diagnosis practised by striking the body with the fingers or with an instrument known as a plessor, in such a way as to make it give out a note. 1998    Philadelphia Citypaper 		(Electronic ed.)	 25 June–2 July  				Trained professionals constantly check on his health: they might tap his knees and elbows with a plessor, stick an otoscope up his nose and in his ears, check his blood pressure. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < | 
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