Differences Between Streptococcus Pneumoniae and Viridans Streptococci

S.N   Streptococcus pneumoniae S.N   Viridans streptococci 1. Are capsulated. 1. Are non-capsulated. 2. Shape is lanceolate or flame shaped. 2. Shape is oval or round cells. 3. Give Positive quellung test. 3. Give negative quellung test. 4. On blood agar, dome-shaped initially, later on appear as draughtsman colonies. 4. On blood agar, dome-shaped. … Read more

Jaundice and its types

Jaundice is a clinical condition characterized by the yellow color of the white of the eyes (sclera) and skin. It is caused by the deposition of bilirubin due to its elevated levels in the serum. Hyper-bilirubinemia is often used to represent the increased concentration of serum bilirubin. The normal serum total bilirubin concentration is in … Read more

Blood and its composition

red coloured fluid connective tissue. Alkaline and salty in taste (pH 7.35-7.45). 7-8% of body weight. Average volume is 5-6 litres in male and 4-5 litres in female. Slightly denser than water (1.043-1.060 gm/ml). 5 times more viscous than water. Red due to presence of haemoglobin. Temperature – 100.4°F. Made up of plasma (55%) and … Read more