英语词汇“blood gill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

blood gill n. [after German Blutkiemen (plural, 1889 or earlier)] Zoology (in some invertebrates) a diverticulum of the body wall containing a blood-filled space but few or no tracheae, through which gases or ions may pass to or from the surrounding medium; esp. such a structure in the aquatic larvae of certain insects (e.g. chironomid midges), originally supposed to be a respiratory organ but now thought to be concerned mainly with osmoregulation; usually in plural.

ΚΠ

1890 Jrnl. Microsc. Soc. 27 The relation between the development of the tracheal system and the ventral saccules shows that the latter have a respiratory function, and are to be regarded as blood-gills.

1958 J. E. Morton Molluscs ix. 176 The blood gills of cirratulid worms.

1999 Amer. Zoologist 39 592 Insects use air-filled tracheal systems, except for a few larval stages of aquatic species such as the dipteran Chironomous that contain haemoglobin in ‘blood gills’.

单词	blood gill
释义	> as lemmas blood gill blood gill n. [after German Blutkiemen (plural, 1889 or earlier)] Zoology (in some invertebrates) a diverticulum of the body wall containing a blood-filled space but few or no tracheae, through which gases or ions may pass to or from the surrounding medium; esp. such a structure in the aquatic larvae of certain insects (e.g. chironomid midges), originally supposed to be a respiratory organ but now thought to be concerned mainly with osmoregulation; usually in plural. ΚΠ 1890 Jrnl. Microsc. Soc. 27 The relation between the development of the tracheal system and the ventral saccules shows that the latter have a respiratory function, and are to be regarded as blood-gills. 1958 J. E. Morton Molluscs ix. 176 The blood gills of cirratulid worms. 1999 Amer. Zoologist 39 592 Insects use air-filled tracheal systems, except for a few larval stages of aquatic species such as the dipteran Chironomous that contain haemoglobin in ‘blood gills’. extracted from bloodn.int. < as lemmas
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> as lemmas