![The head fold (HF) is the first major 3D structure to form in the chick... | Download Scientific Diagram The head fold (HF) is the first major 3D structure to form in the chick... | Download Scientific Diagram](https://www.researchgate.net/publication/47370067/figure/fig1/AS:438201669165056@1481486827214/The-head-fold-HF-is-the-first-major-3D-structure-to-form-in-the-chick-embryo.png)
The head fold (HF) is the first major 3D structure to form in the chick... | Download Scientific Diagram
![Chapter 26. Embryonic Folding and Flexion of The Embryo - Review of Medical Embryology Book - LifeMap Discovery Chapter 26. Embryonic Folding and Flexion of The Embryo - Review of Medical Embryology Book - LifeMap Discovery](http://media.discovery.lifemapsc.com/pub/uploadedFiles/PanskyImages/chapter26_1.jpg)
Chapter 26. Embryonic Folding and Flexion of The Embryo - Review of Medical Embryology Book - LifeMap Discovery
![Cunningham's Text-book of anatomy. Anatomy. 38 HUMAN EMBBYOLOGY. The growth at the nodal point not only produces a head fold, but at the same time it forces the cephalic end of Cunningham's Text-book of anatomy. Anatomy. 38 HUMAN EMBBYOLOGY. The growth at the nodal point not only produces a head fold, but at the same time it forces the cephalic end of](https://c8.alamy.com/comp/PFYCWW/cunninghams-text-book-of-anatomy-anatomy-38-human-embbyology-the-growth-at-the-nodal-point-not-only-produces-a-head-fold-but-at-the-same-time-it-forces-the-cephalic-end-of-the-primitive-streak-caudally-over-the-caudal-end-of-thf-embryonic-area-thus-forming-a-tail-fold-as-the-head-and-tail-folds-of-the-embryo-are-produced-by-the-longitudinal-increase-of-the-embryonic-area-transverse-growth-of-the-area-results-in-the-forma-tion-of-right-and-left-lateral-folds-figs-37-39-and-as-the-various-folds-are-formed-the-embryo-rises-like-a-mushroom-into-the-interior-of-the-amnion-cavity-t-PFYCWW.jpg)
Cunningham's Text-book of anatomy. Anatomy. 38 HUMAN EMBBYOLOGY. The growth at the nodal point not only produces a head fold, but at the same time it forces the cephalic end of
![Chapter 26. Embryonic Folding and Flexion of The Embryo - Review of Medical Embryology Book - LifeMap Discovery Chapter 26. Embryonic Folding and Flexion of The Embryo - Review of Medical Embryology Book - LifeMap Discovery](http://media.discovery.lifemapsc.com/pub/uploadedFiles/PanskyImages/chapter26_2.jpg)