Template:Hearing Embryonic Origins table1: Difference between revisions

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* Auricle - Pharyngeal Arches 1 and 2 ({{ectoderm}}, {{mesoderm}})
* Auricle - {{Pharyngeal arch}} 1 and 2 ({{ectoderm}}, {{mesoderm}})
* External Auditory Meatus - Pharyngeal Arch 1 groove or cleft (ectoderm)
* External Auditory Meatus - Pharyngeal Arch 1 groove or cleft (ectoderm)
* Tympanic Membrane - Pharyngeal Arch 1 membrane ({{ectoderm}}, {{mesoderm}}, {{endoderm}})
* Tympanic Membrane - Pharyngeal Arch 1 membrane ({{ectoderm}}, {{mesoderm}}, {{endoderm}})

Latest revision as of 07:25, 16 October 2018

Adult Hearing - Embryonic Origins
Outer Ear Middle Ear Inner Ear
  • Middle Ear Ossicles
    • Malleus and incus - Pharyngeal Arch 1 cartilage Neural crest (ectoderm)
    • Stapes - Pharyngeal Arch 2 cartilage Neural crest (ectoderm)
  • Middle Ear Muscles
    • Tensor tympani - Pharyngeal Arch 1 (mesoderm)
    • Stapedius - Pharyngeal Arch 2 (mesoderm)
  • Middle ear cavity - Pharyngeal Arch 1 pouch (endoderm)
  • Inner Ear Labyrinth
    • Cochlea - Otic vesicle - Otic placode (ectoderm)
    • Semicircular canals - Otic vesicle - Otic placode (ectoderm)
    • Saccule and utricle - Otic vesicle - Otic placode (ectoderm)
  • Cranial Nerve VIII