{# Crawler directives — per-engine only. A bare `robots` meta is deliberately absent: pruning here is a Google indexation decision, never a crawl block, so AI crawlers keep the full surface. #}

otic notch

Otic notches are invagination in the posterior margin of the skull roof, one behind each orbit. Such notches are found in labyrinthodonts and some of their immediate ancestors, but not their reptilian descendants. The presence or absence of the otic notches is one of the traits used to separate the amniotes from the amphibian grade tetrapods.

On this page
種類 Organ
親構造 zone of bone organ

Frequently Asked Questions

What is the otic notch?

Otic notches are invagination in the posterior margin of the skull roof, one behind each orbit. Such notches are found in labyrinthodonts and some of their immediate ancestors, but not their reptilian descendants. The presence or absence of the otic notches is one of the traits used to separate the

References

  1. UBERON — UBERON:0013222 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)
  2. Wikipedia — otic notch Encyclopedia article (verified cross-reference)

医療免責事項

このコンテンツは教育および情報提供のみを目的としています。専門的な医療アドバイス、診断、または治療の代替として意図されていません。医学的状態に関する質問がある場合は、必ず医師またはその他の資格のある医療提供者に相談してください。このウェブサイトで読んだことを理由に、専門的な医療アドバイスを無視したり、相談を遅らせたりしないでください。

Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.