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单词 tuberculation
释义

Definition of tuberculation in English:

tuberculation

noun tjʊˌbəːkjʊˈleɪʃ(ə)ntəˌbərkjəˈleɪʃ(ə)n
mass nounBiology
  • The formation or presence of tubercles, especially of a specified type.

    more derived species possess three lateral ridges and increased tuberculation of the carapace
    Example sentencesExamples
    • Thus, strong tuberculation induces an increased thickness of the ammonitic whorl, with a maximum thickness located midflank and sometimes even higher on the whorl.
    • The South American A. patriciae has spines more similarly placed to those of A. beetsi than to the new species, and its dorsal internal tuberculation forms a more distinctive bilobed pattern; it closely resembles A. aff. patriciae.
    • Margin of carapace demarcated with a broad shelf; edges characterized with rather coarse tuberculation that fades toward anterolateral and orbital margin field.
    • Coarse bifurcating ribs and tuberculation have been interpreted as a defensive measure; either by strengthening the shell or by providing visual camouflage.
    • Cranidia of D. fillmorensis have considerably denser tuberculation than those of D. ovata, and this is matched by the sculpture of the librigenae.

Origin

Mid 19th century: from Latin tuberculum (see tubercle) + -ation.

 
 

Definition of tuberculation in US English:

tuberculation

nountəˌbərkyəˈlāSH(ə)ntəˌbərkjəˈleɪʃ(ə)n
Biology
  • The formation or presence of tubercles, especially of a specified type.

    more derived species possess three lateral ridges and increased tuberculation of the carapace
    Example sentencesExamples
    • Coarse bifurcating ribs and tuberculation have been interpreted as a defensive measure; either by strengthening the shell or by providing visual camouflage.
    • Cranidia of D. fillmorensis have considerably denser tuberculation than those of D. ovata, and this is matched by the sculpture of the librigenae.
    • Thus, strong tuberculation induces an increased thickness of the ammonitic whorl, with a maximum thickness located midflank and sometimes even higher on the whorl.
    • The South American A. patriciae has spines more similarly placed to those of A. beetsi than to the new species, and its dorsal internal tuberculation forms a more distinctive bilobed pattern; it closely resembles A. aff. patriciae.
    • Margin of carapace demarcated with a broad shelf; edges characterized with rather coarse tuberculation that fades toward anterolateral and orbital margin field.

Origin

Mid 19th century: from Latin tuberculum (see tubercle) + -ation.

 
 
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更新时间:2024/11/11 15:15:32