File:Stage 22 image 218.jpg

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Developing Cochlea

Section through turns in the developing cochlea human embryo week 8 (Carnegie stage 22).

Features

  • otic capsule - surrounding the developing inner ear is the cartilage, later to ossify, forming part of the chondrocranium base of the developing skull.
  • spiral ganglia - cochlear component of the ganglia (vestibulocochlear nerve, 8th cranial nerve, CN VIII) top of the image.
  • internal carotid artery - circular blood vessel lying between developing cochlea and auditory tube.
  • auditory tube - cavity at bottom of the image.


Links: full image | cochlea | Inner Ear Development | Hearing - Neural Pathway | Carnegie stage 22
Selected Embryo Histology - Week 8 (Stage 22)  
Links: Carnegie stage 22 | Week 8

Image Source: UNSW Embryology, no reproduction without permission.


Cite this page: Hill, M.A. (2024, May 21) Embryology Stage 22 image 218.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage_22_image_218.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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