Normal RBCs 
Size: Diameter of 7-8 um

• Shape: Appear round with smooth contour

• Color: Pink cytoplasm with an area of central pallor 
 

Introduction to Prosthodontics Second Stage 1. lecture م.د. نسرين مهدي صالح الفهداوي جامعةالمعارف/ كلية طب األسنان History of false teeth • Replacements of lost teeth have been produced for thousands of years • 1st dentures were 700 BC from ivory & bone • Silver, gold, mother of pearl • In 1774, dentures made from porcelain • The real breakthrough came when vulcanized rubber was discovered • The discovery of acrylic resin is the next major revolution in prosthodontics. • Another important milestone in tooth replacement was the introduction of implants.

Chemical Concentrations: The concentration of a solution is a measure of the amount of solute that is dissolved in a given quantity of solvent.

 –A dilute solution is one that contains a small amount of solute. 

–A concentrated solution contains a large amount of solute. 

Chapter 5 : Digital Signals & Transmission Impairment 
 

Introduction  Blood transfusion complications are disorders whose symptoms appear during the transfusion of blood units or some blood components to the patient Or within 24 hours of a blood transfusion  Ablood transfusion is a very safe procedure but complications can occur and The patient should recognize it in case it happens.  Sometimes the patient may have an allergic reaction to the blood transfused to him, and this may happen even when he is given the correct blood group. These allergic reactions range from mild to serious.

Chronic bronchitis is defined as a chronic productive cough lasting at least three months in two consecutive years.

The reticular endothelial system is immune complex from blood and tissues, it mainly comprises of phagocytic cells whose engulf microbes, participate in inflammation,antigen presenting and cytokine secretions. T