The position of the respiratory vascular net in the allantois of the chick
โ Scribed by Danchakoff, Vera
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1917
- Tongue
- English
- Weight
- 866 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0002-9106
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## NINE FIGURES Immediately posterior to the tail thickening of 2-day chick embryos (about 20 somites) there is a structure which is usually interpreted as the remains of the primitive streak (reste de la ligne primitive of Duval, 1889). I n vitally stained embryos this structure is quite apparent
Pork ## THREE FIGURES The minion aiid allailtoistwo of the extraembryonic structures of the avian embryopossess dynamic physicochemical systems which provide arid maintain an adeqnate cnviroiixrierit for the developing embryo within tlie egg. Vital and sigiiificant physiological activities occur