Carnegie Stage 8 - "Dobbin" Embryo

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Introduction

The "Dobbin" embryo was named after Dr Roy Dobbin (Cairo, Egypt) who originally provided the specimen to Dr James Hill.

This Carnegie stage 8 human embryo was 960 µm long and was subsequently serially sectioned and published in a series of papers by James Hill and Jan Florian and during the 1930's.[1][2][3]

The notes, photographs and sections are within the Hill Collection that form a part of the embryological collection relocated in 2004 to the Museum fur Naturkunde, Berlin and incorporated with the Hubrecht Collection.


Links: Hill Embryo H91 | Carnegie stage 8 | Hill Collection | Dr James Hill | Hubrecht Collection | Museum fur Naturkunde - Embryological Collection


Embryo Collections: Human Embryo Collections | Embryo Collections | Blechschmidt Collection | Carnegie Collection | Domenech-Mateu Collection | Harvard Collection | Hill Collection | Hinrichsen Collection | Hubrecht Collection | Kyoto Collection | Madrid Collection | Embryology Models | DEC Information | DEC

Embryo - Chorionic Vesicle

These are stern photographs of the whole and opened vesicle before sectioning.

Whole vesicle
HillH159 Stage 8 bf01.jpg HillH159 Stage 8 bf02.jpg
Opened vesicle
HillH159 Stage 8 bf03.jpg HillH159 Stage 8 bf04.jpg
"Dobbin" Embryo  
Further descriptions of the "Dobbin" Embryo characterised as (Carnegie Stage 8) can be found in the following papers:

Hill JP. and Florian J. The development of head-process and prochordal plate in man (1931) J Anat. 65(2): 242-6. PMID 17104317

Hill JP. and Florian J. A young human embryo (embryo dobbin) with head-process and prochordal plate. (1931) Phil. Tran. Roy. Soc. London B, 219: 443-486.

Hill JP. and Florian J. Further note on the pro-chordal plate in man. (1931) J. Anat., 46: 46-47. PMID 17104356

Note the rostral end of notochordal process was at first mistaken for prechordal plate, see published correction.

See page - Carnegie Stage 8 - "Dobbin" Embryo


Stage 8 Links: Week 3 | Gastrulation | Lecture | Lecture | Somitogenesis | Lecture - Mesoderm | Lecture - Ectoderm | Lecture - Early Vascular | Science Practical | Carnegie Embryos | Category:Carnegie Stage 8 | Next Stage 9
  Historic Papers: 1920 Mateer Embryo | 1931 Head-Process | 1931 Prochordal Plate | 1931 neurenteric canal

References

  1. Hill JP. and Florian J. The development of head-process and prochordal plate in man (1931) J Anat. 65(2): 242-6. PMID 17104317
  2. Hill JP. and Florian J. A young human embryo (embryo dobbin) with head-process and prochordal plate. (1931) Phil. Tran. Roy. Soc. London B, 219: 443-486.
  3. Hill JP. and Florian J. Further note on the pro-chordal plate in man. (1931) J. Anat., 46: 46-47. PMID 17104356



Cite this page: Hill, M.A. (2024, March 28) Embryology Carnegie Stage 8 - "Dobbin" Embryo. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Carnegie_Stage_8_-_%22Dobbin%22_Embryo

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