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Figs. 1 to 8. Auditory Region - Transverse sections of embryos in the Harvard Embryological Collection

Harvard Embryological Collection

Dorsal aspect downward (except in 3 ) . x 80.
  • 1 - 2.4 mm. (CR), H.E.C. (loan) section 28. Auditory pit (see level in model, figure 9.
  • 2 - 3.75 mm., H.E.C. 2085, section 159. Auditory pit.
  • 3 - 4 mm., 714, section 11. Auditory vesicle in contact with the epidermis.
  • 4 - 4 mm., 2302, section 12. Auditory vesicle collected with the ectoderm by a solid placodal stalk (see level in model, fig. 10).
  • 5 - 6.3 mm., 2300, section 67. Placodal stalk now ruptured (see level on fig. 11).
  • 6, 7, 8 - 6.7 mm., 2285, sections 71, 72, 73, respectively. Remnants of placodal stalk of attachment persist on both the endolymphatic appendage and the epidermis (see level, section 72, in models, figs. 13 and 14).
Abbreviations

a.p., auditory pit a.v., auditory vesicle (otocyst) c.d., cochlear duct coch., cochlear part of vesicle e.ap., endolymphatic appendage e.d., endolymphatic duct e.pr., eiidolymphatic projeetion e.s., endolymphatic sac ep., epidermis l.s.d., lateral semicircular duct m.t., medullary tube plac., placodal stalk sacc., saccule s.s.d., superior semicircular duct utr., utricle vest., vesibular part of vesicle


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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)
Otic Vesicle Links: Fig. 1-8 | Plate 1 | 9 | 10 | 11 | 12 | 13 | 14 | Plate 2 | 15 | 16 | 17 | 18 | 19 | Anson 1934 | Harvard Collection | Inner Ear | Hearing

Reference

Anson BJ. and Black WT. The early relation of the auditory vesicle to the ectoderm in human embryos. (1934) Anat. Rec. 58: 127-137.


Cite this page: Hill, M.A. (2024, February 22) Embryology Anson1934 fig01-8.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Anson1934_fig01-8.jpg

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