| 释义 |
Definition of Myomorpha in English: Myomorphaplural nounˈmʌɪə(ʊ)ˌmɔːfəˌmīəˈmôrfə Zoology A major division of the rodents that includes the rats, mice, voles, hamsters, and their relatives. 〔动〕鼠型亚目 Suborder Myomorpha, order Rodentia Example sentencesExamples - Still other families of the Myomorpha include the dormouse, jumping mouse, and jerboa.
- The rate of nucleotide substitutions in mice and rats is known to be higher than in other mammal groups; these results suggest rate changes within the lineage of Suborder Myomorpha.
- He analyzed the amino acid sequence data of proteins and arrived at the conclusion that guinea pig may constitute an outgroup to Myomorpha (rats, mice, hamsters) and primates (humans).
- They placed them within Myomorpha based on derived cranial characters.
Derivativesadjective & noun Zoology During a comparative survey among small mammals, I found that ultrasounds were produced by the young of all species of myomorph rodents studied. Example sentencesExamples - Testes in male myomorphs are relatively large and present in a scrotum, whereas male guinea pigs and chinchillas do not have a true scrotum and the testes lie in the inguinal canal.
- If this is true, then it indicates that caviomorphs are not closely related genetically to the myomorphs and should be recognized as a different order.
- Three jaw muscle patterns, sciuromorph, myomorph, and hystricomorph are often used to designate major taxonomic divisions of the rodents.
- Most of these are myomorphs - mice, rats and their relatives - a group that radiated explosively in the past 20 million years.
OriginModern Latin (plural), from Greek mus, mu- 'mouse' + morphē 'form'. Definition of Myomorpha in US English: Myomorphaplural nounˌmīəˈmôrfə Zoology A major division of the rodents that includes the rats, mice, voles, hamsters, and their relatives. 〔动〕鼠型亚目 Suborder Myomorpha, order Rodentia Example sentencesExamples - They placed them within Myomorpha based on derived cranial characters.
- The rate of nucleotide substitutions in mice and rats is known to be higher than in other mammal groups; these results suggest rate changes within the lineage of Suborder Myomorpha.
- Still other families of the Myomorpha include the dormouse, jumping mouse, and jerboa.
- He analyzed the amino acid sequence data of proteins and arrived at the conclusion that guinea pig may constitute an outgroup to Myomorpha (rats, mice, hamsters) and primates (humans).
OriginModern Latin (plural), from Greek mus, mu- ‘mouse’ + morphē ‘form’. |