单词 | ring gland |
释义 | > as lemmasring gland ring gland n. Entomology (in the larvae of some dipteran flies) a composite endocrine gland surrounding the aorta above the brain, involved in the control of developmental processes. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > member of > parts of > gland in larvae ring gland1937 1937 E. Hadorn in Proc. National Acad. Sci. U.S.A. 23 481 Since it has been shown that the ring has a glandular function, the term ‘ring-gland’ may be used so long as no homology to other structures in other insects has been established. 1978 Molecular & Gen. Genetics 164 79/2 The ring gland donors were at the late larval stage by which ecdysone production was likely to have begun. 1994 P. J. Gullan & P. S. Cranston Insects iii. 67/1 The prothoracic glands are diffuse paired glands..; in cyclorrhaphous Diptera they are part of the ring gland which also contains the corpora cardiaca and corpora allata. < as lemmas |
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