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Title: A young human embryo, showing early differentiation of the primitive streak, together with some observations on the early development of the human embryo
Author: Johnston, T. B.
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1937
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Despite the fact that our knowledge of the normal development of the human embryo in its early stages has increased very substantially in the past twenty years, there are still many points on which further evidence is necessary and which cannot be elucidated until a much larger amount of material is available. The embryo on which this thesis is based is a well-fixed specimen and its detailed description therefore may conceivably contribute a little towards the solution of some of the problems with which the study of Human Embryology is beset. The embryo represents a slightly later stage of development than the beautifully preserved Strahl-Beneke (1910) specimen, and a slightly earlier stage than the Embryo Hugo (1926), with both of which it will be specifically compared. It corresponds in many ways to Grosser's (1931) Embryo H. Schm.10, but as no detailed description has yet been published of this embryo and only a schematic median section has so far been figured, I can only use it occasionally for purposes of comparison. The subject of this thesis will be referred to as H.R.1, as it was obtained at operation by Mr E. Hesketh Roberts, to whom I am deeply indebted for the specimen and for the following clinical notes on the case.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (M.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available