Chicken: 3-5 days |
Schematic drawing cross-section through the egg after 3 and 5 days |
![Schematic drawing cross-section through the egg of the chicken after 3 days](/images/embryology/chicken-3days-transverse-central-egg.gif) | ![Schematic drawing cross-section through the egg of the chicken after 5 days](/images/embryology/chicken-5days-transverse-central-egg.gif) |
Upperview: cross-section after 3 and 5 days; here right view: longitudinal section after 3 days.
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| ![Schematic drawing longitudinal section through the egg of the chicken after 3 days](/images/embryology/chicken-72hrs-patten.gif) |
Chick embryo after 4 days incubation, according to Patten, 1920 |
![Schematic drawing of the morphology of a chicken embryo after 4 days incubation, according to Patten, 1920](/images/embryology/Embryology-chicken-4days-morphology-patten.png) |
![Schematic drawing of the anatomy of a chicken embryo after 4 days incubation, according to Patten, 1920](/images/embryology/Embryology-chicken-4days-organs-patten.png) |
![Schematic drawing of the nervous system -brain and spine- of a chicken embryo after 4 days incubation, according to Patten, 1920](/images/embryology/Embryology-chicken-4days-brain&heart-patten.png) |
4 days after incubation.Modifications after drawings in Patten, B.M. (1920). The Early Embryology of the Chick. Philadelphia: P. Blakiston's Son and Co. | |
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