embryology Archives | Microbe Notes

Comparative Embryology- Principle, Significance

January 15, 2020December 27, 2019 by Yashaswi Sharma

Comparative embryology is the branch of embryology that compares and contrasts embryos of different species, showing how all animals are related. Put simply, comparative embryology is the comparison of embryo development across species. All vertebrate embryos follow a common developmental path due to their common ancestry. They pass from single cells to multi-celled zygotes, clumps of cells called morulas, and hollow balls of cells called blastulas, …

Evolutionary Embryology

January 8, 2020December 23, 2019 by Yashaswi Sharma

Embryology, the study of embryos, is an important cornerstone of biological evolution and can be used to help determine similarities and differences between various species. An embryo of an organism is the fertilized egg as it goes through the processes of development that is specific to that species. When looking at how the animal develops from an embryo to an adult, you can compare the …

Introduction to Embryology

January 2, 2020December 22, 2019 by Yashaswi Sharma

Human development is a continuous process that begins when an oocyte (ovum) from a female is fertilized by a sperm (spermatozoon) from a male. Cell division, cell migration, programmed cell death (apoptosis), differentiation, growth, and cell rearrangement transform the fertilized oocyte, a highly specialized, totipotent cell, a zygote, into a multicellular human being. Most changes occur during the embryonic and …