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ØÑíÞÉ ÇáÚÏæì

ÊäÊÞá ÚÏæì ÏÇÁ ÇáÝíá Úä ØÑíÞ ÚÖ ÅäÇË ÇáÈÚæÖ ÇáÍÇãá ááÚÏæì, ÝÚäÏãÇ ÊÚÖ åÐå ÇáÈÚæÖÉ ÅäÓÇä ÊÍÞä Ýí ãÌÑì Ïãå íÑÞÇÊ ÇáÏæÏÉ ÇáãÓÈÈÉ ááãÑÖ, æ Êäãæ åÐå ÇáíÑÞÇÊ æ ÊÕá Åáì ÇáØæÑ ÇáßÇãá ÇáÐí ...Read more

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

Taking Blood Sample

ØÑíÞÉ ÓÍÈ ÚíäÇÊ ÇáÏã Ýì ÇáãÚãá

Prospect the veins in the two arms and select the best
clear vein to you.
Attach the arm from the upper part by elastic ligament to help you in more determination of the vein.
Disinfect the place you will inject then insert the syringe gently and withdraw the suitable amount of blood that you need.

Note: difference between plasma & serum:
Plasma produced when we centrifuge EDTA blood.
but
Serum produced when we centrifuge fresh blood....Read more