I have been seating behind computer today in the evening typing some things and adding a few details to our presentation for tomorrow. It hot and humid outside, the rain had started I opened the window and thу stream of fresh air bumped into my face, it was so cool ) I recalled back the last summer and searched for the chasing pirates by norah jones. some random reults popped out: norah jones chasing pirates I downloaded the song and turned it on. Damn! it wa so realxing and cool to seat in the armchair, breating the fresh air and listening to norah jones, hope you can feel as well )
Btw, I have searched for some other works by norah jones at this file search engine - Rapidok then listened it all and all over again and what can I say, norah jones is a real genious!
суббота, 27 марта 2010 г.
пятница, 27 ноября 2009 г.
COAGULATION
Coagulation is a complex process by which plasma
proteins interact to form a stable fibrin gel.
The fibrin strands thus formed create a meshwork that
cements blood components together, a process
known as syneresis. Ultimately, a blood clot is
formed.
Normal coagulation depends on the pres-
ence of all clotting factors and follows specific
sequences known as pathways or cascades.
At least 30 substances are believed to be involved
in the clotting process. The most significant ones
are shown in Table 2–1. Note that clotting factors
are now designated by Roman numerals. The
“a” indicates an activated clotting factor.
There is no factor VI because that number was origi-
nally assigned to what is now known to be activated
factor V.
Each of the clotting factors is involved at a specific
step in the coagulation process, with one clotting
factor leading to activation of the next factor in the
sequence. Three major clotting sequences have been
identified: (1) the intrinsic pathway, (2) the extrinsic
pathway, and (3) the common final pathway.
The intrinsic pathway is activated when blood
comes in contact with the injured vessel wall; the
extrinsic pathway is activated when blood is exposed
to damaged tissues. Both pathways are needed for
normal hemostasis, and both lead to the common final pathway.
proteins interact to form a stable fibrin gel.
The fibrin strands thus formed create a meshwork that
cements blood components together, a process
known as syneresis. Ultimately, a blood clot is
formed.
Normal coagulation depends on the pres-
ence of all clotting factors and follows specific
sequences known as pathways or cascades.
At least 30 substances are believed to be involved
in the clotting process. The most significant ones
are shown in Table 2–1. Note that clotting factors
are now designated by Roman numerals. The
“a” indicates an activated clotting factor.
There is no factor VI because that number was origi-
nally assigned to what is now known to be activated
factor V.
Each of the clotting factors is involved at a specific
step in the coagulation process, with one clotting
factor leading to activation of the next factor in the
sequence. Three major clotting sequences have been
identified: (1) the intrinsic pathway, (2) the extrinsic
pathway, and (3) the common final pathway.
The intrinsic pathway is activated when blood
comes in contact with the injured vessel wall; the
extrinsic pathway is activated when blood is exposed
to damaged tissues. Both pathways are needed for
normal hemostasis, and both lead to the common final pathway.
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