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How is the yolk sac made? What is the main function of the yolk sac?
Are the additional embryonic membranes similar in all vertebrates?
What are the additional embryonic membranes existed in vertebrates?
What are extra embryonic membranes?
Define polyembryony in short?
Genetically what are the two kinds of twins which can be produced?
Describe what are twins?
Name the germ layer from which the liver and the pancreas originate? What are the other organs and tissues made up from that germ layer?
Name the germ layer from which blood cells originate? What are the other organs and tissues made from that germ layer?
Name the germ layer from which epidermis and the nervous system originate? What are other tissues and organs made from that germ layer?
What are histogenesis and organogenesis?
Define somites briefly?
After the neurula phase and from its ventral part to the dorsal how can the morphology of embryo be explained?
What are pericardium, pleura and peritoneum?
What do you mean by the term coelom? To which structures do coeloms give birth? Are each and every animal coelomate?
Define notochord? How is the structure formed?
How does the embryo turn from gastrula to neurula? How is the neural tube made? What is the embryonic origin of nervous system in vertebrates?
How are animals categorized according to the germ layers existed in their embryonic growth?
What is cell division procedure directly associated to the embryonic growth?
What is the function of vitellus in vertebrate egg? How are such eggs categorized according to the quantity of vitellus in them?
What are the animal and vegetal pole of the vertebrate egg?
What are the main initial phases of the embryonic development?
What is cell division all through the primary phase of the embryonic development termed? How is this phase characterized?
What are the cells generated in the first phase of the embryonic development termed?
After the morula phase what is the next phase? What is the morphological feature which states that phase?