| 单词 | mucous canal | 
| 释义 | mucous canaln.ΚΠ 1830    G. Macilwain 		(title)	  				Surgical observations on the more important diseases of the mucous canals of the body. 1857    Proc. Royal Soc. 1856–7 8 473  				The digestive and other mucous canals are at rest, or move with slow worm-like actions.  2.  Zoology. A duct through which mucus is conveyed, esp. to the surface of the skin of a fish or amphibian. Now rare. ΘΚΠ the world > animals > fish > parts of fish > 			[noun]		 > mucus mucus1597 slaver1650 mucous canal1859 mucoduct1875 1859    T. H. Huxley in  H. H. Howell Geol. Warwickshire Coal-field 54  				The so-called ‘mucous-canal’ of the ordinary Labyrinthodonts. 1875    T. H. Huxley in  Encycl. Brit. I. 762/1  				Symmetrically disposed grooves, the so-called ‘mucous canals’. 1969    Jrnl. Parasitol. 55 435 		(title)	  				A new Philichthyid copepod parasitic in the mucous canals of surfperches. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < | 
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