In this article we will discuss about the Fate Map of an Egg:- 1. Meaning of Fate Map 2. Construction of Fate Map 3. Vertebrates 4. Usefulness. Meaning of Fate Map: A fate map is a diagram of an egg or blastula, indicating the fate of each cell or region, at a later stage of development. Fate maps are essential [...]
In this article we will discuss about the Extra-Embryonic Membranes in Chick:- 1. Meaning of Extra-Embryonic Membranes in Chick 2. Kinds of Extra-Embryonic Membranes 3. Development 4. Functions. Meaning of Extra-Embryonic Membranes in Chick: During the development of chick and other vertebrates, certain specialized embryonic tissues or structures are produced that temporarily or permanently do not enter into the formation [...]
The below mentioned article provides a study note on the Placentation in Human. Implantation of Placenta in Human: When the developing human egg following fertilization, reaches the uterus it is still surrounded by the zona pellucida and the corona radiata. The blastocyst remains free and floating within the uterus for about four days. During this time it maintains itself through [...]