â¢ Humoral immunity is mediated by B-cells while cell-mediated immunity is mediated by T-cells. â¢ In the humoral immunity, the B-cells secrete antibodies whereas in the cell-mediated immunity, the T-cells do not secrete receptors. T-cell receptors are bound to the T-cells and the cells themselves bind with antigens.
Dissociative Identity Disorder (Multiple Personality Disorder) Dissociative Identity Disorder, formerly referred to as Multiple Personality Disorder, is a condition wherein a person's identity is fragmented into two or more distinct personalities. Sufferers of this rare condition are usually victims of severe abuse. Definition.
Data Flow Diagram (DFD) The Data Flow Diagram (DFD) is a graphical representation of the flow of data through an information system. It enables you to represent the processes in your information system from the viewpoint of data.