单词 | pore canal |
释义 | > as lemmaspore canal pore canal n. ΚΠ 1859 Philos. Trans. 1858 (Royal Soc.) 148 896 It is the chitinogenous layer alone which he describes..as entering the large pore-canals of the shell. 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 111 The number of these pore-canals (dermo-gastric pores), which have consequently a dermal and gastric orifice, is generally very great. 1949 A. L. Romanoff & A. J. Romanoff Avian Egg 168 The pore canals traverse the spongy layer..and form connecting passages between the exterior of the shell and the network of air spaces in the mammillary layer. 2003 Jrnl. Morphol. 255 24 The secretion is discharged to the outside via a system of very fine pore canals in the wall of the setal shaft. < as lemmas |
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