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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

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 A

ÝíÑæÓ A ÇáÊåÇÈ ÇáßÈÏ ÇáæÈÇÆì


ÝíÑæÓ A ÇáÊåÇÈ ÇáßÈÏ ÇáæÈÇÆì
íÊã ÇÌÑÇÁ åÐÇ ÇáÇÎÊÈÇÑ ÅÐÇ ÚöäúÏóßó ÃÚÑÇÖõ ÚÏæì ãóÚ æ/ Ãóæ ÚõÑøÖÇ Åáì ÝíÑæÓö ÅáÊåÇÈ ÇáßÈÏ HAVº ÅÐÇ ÚöäúÏóßó ãÑÖõ ßÈÏö ãõÒãäöº Ãóæ ÅÐÇ ÅÓÊáãÊó áöÞÇÍó HAV

åäÇß ÅËäÇä ãöäú äÓÎö ÇáÅÎÊÈÇÑö¡ æåÐå íóßÊÔÝõ ÇáÃÌÓÇã ÇáãÖÇÏÉ Antibodies ó. ÇáÃÌÓÇã ÇáãÖÇÏÉ ÊõäÊÌõ ÈÇáÌÓãö áÍöãÇíÉ äÝÓåÇ ãöäú Antigens ÇáãõÓúÊóÖøÏÇÊö (ÈÑæÊíä ÃÌäÈí). IgM immunoglobulin Åã ÇáÌÓã ÇáãÖÇÏõ ÇáÃæáõ ÃäÊÌó ÈÇáÌÓãö ãÊì åæ íõÚÑøÖõ Åáì ÝíÑæÓ A æãÓÊÚãáõ áá...Read more