File:Human Embryo 17.8mm GIT.jpg

Human Embryo (17.8mm) Gastrointestinal Tract

Wax-plate reconstruction of the stomach, the duodenum and the pancreas.

The model is represented somewhat ventrally, from the right side A. du., antrum duodenale; C., corpus gastri; D. chol., ductus choledochus; D. cysl.. ductus cysticus; D. hep., ductus hepaticus; D. panc d., ductus pancreatis dorsalis, I) pane. ZJ., ductus pancreatis vcntralis; F., fundus gastri; Oe., oesophagus; Panr d , pancreas d o r d e ; Pam. v., pancreas ventrnle; P. py , pars pylorica pastri iH E C 839).

Original file name: Thyng02.jpg

The embryo external appearance and dimensions suggest that it is a Carnegie stage 19 embryo (Week 7, 48 - 51 days, 16 - 18 mm).

Reference: Thyng F.W., (1914) The anatomy of a 17.8mm human embryo. American Journal of Anatomy 14, 31-113

A reproduction of figure 104, page 153 of “Laboratory Textbook of Embryology,” Charles Sedgwick Minot, edition of 1910, published by P. Blakiston’s Son and Company, Philadelphia.

The American Journal of Anatomy, Vol.17, No.1 These drawings are based on studies of the Harvard Embryological Collection while he was in Minot's Lab in 1907-08.

He was also an anatomist at Northwestern University Medical School.

UNSW Embryology Link: Development History- 1914 - 17.8mm Human Embryo

Dr Mark Hill 2009, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G