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.
DEFINITION of 'Moving Average Convergence Divergence-MACD'. A trend-following momentum indicator that shows the relationship between two moving averages of prices. The MACD is calculated by subtracting the 26-day exponential moving average (EMA) from the 12-day EMA.A nine-day EMA of the MACD, called the signal line, is then plotted on top of the MACD, functioning as a trigger for buy and sell signals.REAKING DOWN 'Moving Average Convergence Divergence-MACD'. There are three common methods used to interpret the MACD: 1. Crossovers-As shown in the chart above, when the MACD falls below the signal line, it is a bearish signal, which indicates that it may be time to sell.