|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.
|Note the rostral end of notochordal process was at first mistaken for prechordal plate, see published correction.
See page - Carnegie Stage 8 - "Dobbin" Embryo