The Prenatal Developmental Period

The human body, like that of most animals, develops from a single cell produced by the union of a male and a female gamete (or sex cell).  Cell division, cell migration, programmed cell death (apoptosis), … Read more

Developmental Biology

Developmental Biology

What is Developmental Biology? It is the field of biology that studies the processes by which multicellular organisms grow and develop, controlled by their genes.  It involves the study of … Read more

Development of Caenorhabditis elegans

The nematode worm Caenorhabditis elegans is a small (1 mm long), unsegmented, vermiform, free-living soil nematode. It is a relatively simple, and precisely structured organism, extensively used as a model organism for … Read more

Blastocyst- Stages, Significance

The preimplantation period of human embryo development is remarkable and characterized by successive changes in terms of genetic control, physiology, and morphology of the embryo. Blastocyst (Greek, blastos= sprout + cystos = cavity) … Read more