BIO 474 Lecture Notes - Lecture 3: Globulin, Platelet, Red Blood Cell
blood
liquid made of formed elements and plasma
plasma
liquid with disolved substances
yellowish, 90%water, 10% chemicals
albumin, globulin, fibrinogen
albumin
used in osmotic regulation
albumin cant leave the vessels, draws water back in to dilute the system when to concentrated
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globulin
full of antibodies
fibrinognen
full of fibrin, a blood clotting agent
formed ellements
the cellular components of blood
erythrocytes, leukocytes, thrombocytes
erythrocytes
red blood cells
most common and abundant cell in blood vessels (only found there)
flat, round, ovals
enucleate (no nucleus)
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contain hemoglobin
small in mammals for fast diffusion
Leukocytes
white blood cells
antibody protection
phagocytosis (envelop and dissolve foreign bodies)
granular or agranular
1%-10% of blood
granular leukocyte
weird shaped nucleus
polymorpho nuclear
agraunular leukocyte
regular shaped nucleous
Thrombocytes
clotting process
enucleated cells in lower vertebrates
enucleated fragments of broken cells in mammals
1. adhere
2. rupture
3. release enzymes
4. change fibroginin to fibrin
Blood vessels
the vascular system
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