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Amino phenozone test 21 Feb 2013 | 08:02 am
Reagent: Amino phenozone solution Procedure Suspend 4ml of faecal specimen in 7ml of distilled water. Mix, centrifuge and decant supernatant into test tube. Add 10 drops of acetic acid solution and 5m...
Gum Guaic test 21 Feb 2013 | 07:59 am
Reagents Glacial acetic acid Hydrogen peroxide (3ml/dl): Dilute 10ml of 30ml/dl hydrogen peroxide solution to 100ml with distilled water. Gum guaic (3g/dl in 95% ethyl alcohol). Dissolve 3g of gum gu...
Chemical examination of stool 21 Feb 2013 | 07:56 am
Occult Blood The presence of blood in the stool indicates abnormality. RBC’s may not be visible incase of slow bleeding and if the bleeding is high up in the gut region. Blood is half digestion and th...
Microscopic examination of stool 21 Feb 2013 | 07:53 am
Identification of intestinal protozoa and helminthes egg is based upon the recognization of their morphological characteristics. These study required good microscope and a light source for ensuring th...
Physical examination of Stool 21 Feb 2013 | 07:48 am
Colour and consistency Normal stool sample is light or dark brown and formed. The color of stool may change consistency with the kind of food intake. Make a note of colour whether normal or abnormal. ...
Composition of Normal urine 21 Feb 2013 | 07:38 am
A normal adult discharges approx. 1500 ml of urine in 24 hours period. Normal urine is clear pale yellow in color with a characteristic aromatic odour due to the presence of volatile organic acid. The...
Factors that affect the immunity 17 Feb 2013 | 10:27 pm
FACTORS Many factors appear to be responsible for difference in the immunity of individuals. These include: 1. Age 2. Malnutrition 3. Pregnancy existing disease 4. Infection 5. ...
Parasite 17 Feb 2013 | 09:35 pm
A parasite is an organism that is entirely dependent on another organism refered to as its host, for all or part of its cycle and metabolic requirements. Strictly speaking, the term parasite can be ap...
Gelatin Embedding 17 Feb 2013 | 06:47 pm
EMBEDDING In routine when the frozen sections are to be made from the tissues then there is no need for embedding of tissue. Freezing of tissue provides sufficient hardness for section cutting but wh...
Problems in section cutting 17 Feb 2013 | 06:44 pm
During section cutting we can face number of problems some of them can be described as follows: 1. Failure of block to form ribbons This may be caused by i. Hard paraffin ii. A ...
