Template:Human embryo Strahl 4mm table
From Embryology
Human Embryo 4 mm | ||||||||||||||||||||||
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Collection of Prof. Strahl, Giessen. Carnegie stage 12 | ||||||||||||||||||||||
Desig. | Size | Age | Body form | Primitive streak | Primitive segments | Chorda | Nervous system | Eye | Ear | Nose | Hypophysis | Mouth | Digestive trac, liver and pancreas | Branchial pouches, threoid thymus, trachea and lungs | Urogenital system | Heart and vessels | Integument | Skeleton | Extremities | Amnion | Allantois | Remarks |
7 N.T. Text-fig 9a-9s. |
Gr. L. 4 mm. | Between Figs. 5 and 7 of His" Normenta- fel. (The embryo of Fig. 6 of His' Nor- mentafel is probably pathological.) Vertex bend complete. Nape bend has begun. | Chorda separated from entoderm, but in the cranial part, through 19 sections, it has as yet no mesoderm below it. | Optic vesicles. Mesoderm between ectoderm and optic vesicle, | ||||||||||||||||||
Remarks - | ||||||||||||||||||||||
Reference: Keibel F. and Elze C. Normal Plates of the Development of the Human Embryo (Homo sapiens). (1908) Vol. 8 in series by Keibel F. Normal plates of the development of vertebrates (Normentafeln zur Entwicklungsgeschichte der Wirbelthiere) Fisher, Jena., Germany. Cited in: 1912 Human Embryology | ||||||||||||||||||||||
1908 Embryo Tables: Klb (stage 10) | Pfannenstiel III (stage 11) | Meyer 300 (stage 12) | Strahl 4mm (stage 13) | Hertwig G31 (stage 14) |