And in this lecture, we're going to focus on this process of implantation and we're going to discuss how it takes place and what happens after implantation actually takes place. So let's begin by taking a look at the following diagram. Diagram A. In diagram A, we basically describe the lining of the uterus we call the endometrium. So we have connective tissue and we have vascular tissue. We have these cells shown in light pink as well as the red cells that make up the epithelium of that endometrium.