Answer / Ritu Wala

The archenteron is a cavity that forms during gastrulation and eventually becomes the gut. The blastopore is an opening on the surface of the embryo through which cells migrate to form the archenteron.

What are extra embryonic membranes? Name these layers in vertebrates?

1 Answers  

---

What is umbilical cord?

1 Answers  

---

What are the extra embryonic membranes present in vertebrates?

1 Answers  

---

From which germ layer do the epidermis and the nervous system originate?

1 Answers  

---

To which structures do coeloms give birth? Are all animals coelomate?

1 Answers  

---

What is yolk sac?

1 Answers  

---

How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?

1 Answers  

---

What is gastrulation?

1 Answers  

---

Explain monozygotic and dizygotic twins?

1 Answers  

---

What is the cell division during the first stage of the embryonic development called?

1 Answers  

---

Explain gastrulation?

1 Answers  

---

Explain histogenesis?

1 Answers  

---