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Gram stain procedure

ØÑíÞÉ ÕÈÛÉ ÌÑÇã (ÕÈÛÉ ÛÑÇã)

This stain for differentiate between G +ve bacteria (which accept staining) and G -ve bacteria (which not accept staining).

Steps:
-Prepare your clear slide and put one drop of normal saline.
-Take specimen from the colony and mix it well with normal saline.
-Leave for dryness on air then fix it on burner.
-Then pour Crystal Violet stain on the slide and leave it for 1 minute.
-Wash gently with water.
-Then pour Iodine stain on the slide and leave it for 1 minute.
-Wash gently w...Read more

White blood corpuscles leucocytes

Number:
- Number of WBC's ranges between 4000 - 11000 corpuscles / mm^2, and in new born the total WBC's are 16000 / mm^2 of the blood.

Shape:
- Spherical.

Size:
- Vary in size and ranges from 5.2 µ.

Color:
- colorless or greyish-white.

Function:
- Phagocytosis of toxin,bacteria and dead cells.
- Production of proteolytic enzymes ( Pepsin & trypsin ).
- Antibody formation.

Types of Leucocytes:
- Granulocytes: Neutrophil , Eosinophi...Read more

Hepatitis B Test

ÊÍáíá ÇáÊåÇÈ ÇáßÈÏ ÇáæÈÇÆì ÝíÑæÓ B


ÊÍáíá ÇáÊåÇÈ ÇáßÈÏ ÇáæÈÇÆì
ÝíÑæÓ B


ãÞÏãÉ:

íÊã Úãá ÇáÊÍáíá áÊÔÎíÕ æãÊÇÈÚÉ ÓíÑ ÚÏæì ÇáÊåÇÈ ÇáßÈÏ ÇáæÈÇÆì ÝíÑæÓ B ¡ Ãæ áÊÍÏíÏ ãÇ ÇÐÇ ßÇä ÇááÞÇÍ ÖÏ ÇáÊåÇÈ ÇáßÈÏ íÍÞÞ ãÓÊæì ÇáãäÇÚÉ ÇáãØáæÈÉ.
æíÊã ÇÌÑÇÁ åÐÇ ÇáÇÎÊÈÇÑ ÅÐÇ ßÇä áÏíß ÃÚÑÇÖ ÚÏæì ÇáÊåÇÈ ÇáßÈÏ B ¡ Ãæ ãä ÇáãÍÊãá Ãä ÊÚÑÖÊ áÝíÑæÓ ÇáÊåÇÈ ÇáßÈÏ (HBV) ¡Ãæ ÅÐÇ ßÇä áÏíß ãÑÖ ãÒãä Ýí ÇáßÈÏ äÊíÌÉ áÃÓÈÇÈ ÃÎÑì ¡ Ãæ ÅÐÇ ßäÊ ÞÏ ÊáÞíÊ áÞÇÍ ÇáÊåÇÈ ÇáßÈÏ ÇáæÈÇÆì .

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ÇáÇÌÓÇã ÇáãÖÇÏÉ áÇáÊå...Read more