Definition of heterocercal in English:

heterocercal

adjective ˌhɛtərəʊˈsəːkəlˌhedərōˈsərk(ə)l

Zoology

(of a fish's tail) having unequal upper and lower lobes, usually with the vertebral column passing into the upper.
〔动〕（鱼）歪尾鳍的。Contrasted withDIPHYCERCAL , HOMOCERCAL . 与DIPHYCERCAL , HOMOCERCAL 相对
Contrasted with diphycercal, homocercal
Example sentencesExamples
- The body shows well-developed paired lateral fins (presumably true pectoral fins), indicating good stability, dorsal and anal fins, and a heterocercal tail (the lower lobe of the tail is elongated).
- The tail is heterocercal, with the upper lobe containing long, thread-like filaments.
- While the classical view of shark tail function was corroborated by the three-dimensional kinematic study of leopard sharks, the pattern of heterocercal tail function in sturgeon proved to be quite different.
- The sturgeon heterocercal tail is extremely flexible and the upper tail lobe trails the lower during the fin beat cycle.
- They also have a cartilaginous skeleton, heterocercal tail, and lack scales.

Origin

Mid 19th century: from hetero- 'other' + Greek kerkos 'tail'.

Definition of heterocercal in US English:

heterocercal

adjectiveˌhedərōˈsərk(ə)l

Zoology

(of a fish's tail) having unequal upper and lower lobes, usually with the vertebral column passing into the upper.
〔动〕（鱼）歪尾鳍的。Contrasted withDIPHYCERCAL , HOMOCERCAL . 与DIPHYCERCAL , HOMOCERCAL 相对
Contrasted with diphycercal, homocercal
Example sentencesExamples
- While the classical view of shark tail function was corroborated by the three-dimensional kinematic study of leopard sharks, the pattern of heterocercal tail function in sturgeon proved to be quite different.
- The tail is heterocercal, with the upper lobe containing long, thread-like filaments.
- The sturgeon heterocercal tail is extremely flexible and the upper tail lobe trails the lower during the fin beat cycle.
- They also have a cartilaginous skeleton, heterocercal tail, and lack scales.
- The body shows well-developed paired lateral fins (presumably true pectoral fins), indicating good stability, dorsal and anal fins, and a heterocercal tail (the lower lobe of the tail is elongated).

Origin

Mid 19th century: from hetero- ‘other’ + Greek kerkos ‘tail’.

词汇	heterocercal
释义	Definition of heterocercal in English: heterocercal adjective ˌhɛtərəʊˈsəːkəlˌhedərōˈsərk(ə)l Zoology (of a fish's tail) having unequal upper and lower lobes, usually with the vertebral column passing into the upper. 〔动〕（鱼）歪尾鳍的。Contrasted withDIPHYCERCAL , HOMOCERCAL . 与DIPHYCERCAL , HOMOCERCAL 相对 Contrasted with diphycercal, homocercal Example sentencesExamples The body shows well-developed paired lateral fins (presumably true pectoral fins), indicating good stability, dorsal and anal fins, and a heterocercal tail (the lower lobe of the tail is elongated). The tail is heterocercal, with the upper lobe containing long, thread-like filaments. While the classical view of shark tail function was corroborated by the three-dimensional kinematic study of leopard sharks, the pattern of heterocercal tail function in sturgeon proved to be quite different. The sturgeon heterocercal tail is extremely flexible and the upper tail lobe trails the lower during the fin beat cycle. They also have a cartilaginous skeleton, heterocercal tail, and lack scales. Origin Mid 19th century: from hetero- 'other' + Greek kerkos 'tail'. Definition of heterocercal in US English: heterocercal adjectiveˌhedərōˈsərk(ə)l Zoology (of a fish's tail) having unequal upper and lower lobes, usually with the vertebral column passing into the upper. 〔动〕（鱼）歪尾鳍的。Contrasted withDIPHYCERCAL , HOMOCERCAL . 与DIPHYCERCAL , HOMOCERCAL 相对 Contrasted with diphycercal, homocercal Example sentencesExamples While the classical view of shark tail function was corroborated by the three-dimensional kinematic study of leopard sharks, the pattern of heterocercal tail function in sturgeon proved to be quite different. The tail is heterocercal, with the upper lobe containing long, thread-like filaments. The sturgeon heterocercal tail is extremely flexible and the upper tail lobe trails the lower during the fin beat cycle. They also have a cartilaginous skeleton, heterocercal tail, and lack scales. The body shows well-developed paired lateral fins (presumably true pectoral fins), indicating good stability, dorsal and anal fins, and a heterocercal tail (the lower lobe of the tail is elongated). Origin Mid 19th century: from hetero- ‘other’ + Greek kerkos ‘tail’.
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