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OS ECTOTYMPANIQUE [1 record]

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Record 1 1978-01-03

English

Subject field(s)
  • Paleontology
  • Mammals
  • Animal Anatomy
DEF

A bone found only in mammals, forming the base of the auditory capsule and of the external auditory meatus. It is homologous with the "angular bone" of the reptilian lower jaw.

French

Domaine(s)
  • Paléontologie
  • Mammifères
  • Anatomie animale
CONT

La membrane tympanique [des mammifères] se trouve soutenue par l'os tympanique (ou ectotympanique) dérivé de l'angulaire ichthyen-reptilien.

Spanish

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