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plasma cell
- lymphoid cell secrete antibody
- originate from B lymphocytes
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type A blood
- contain A antigen
- anti-B antibody
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type B blood
- contain B antigen
- anti-A antibody
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type AB blood
- contain A & B antigens
- no anti-A or B antibodies
- universal recipient
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type O blood
- no A or B antigens
- goth anti A & B antibodies
- universal donor
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anemia
- deficieciency in erthyroctyes or hemoglobin
- most common iron deficiency anemia
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aplastic anemia
failure of blood cell production due to aplasia of bone marrow cells
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hemolytic anemia
reduction in red cells due to excessive destruction
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pernicious anemia
lac of mature erythrocityes caused by inability to absorb vit-B12
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sickle cell anemia
hereditary cond abnormal sickle shape of erythrocytes & hemolysis
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thalassemia
inherited defect ability to produce hemoglobi, Mediterranean bckground
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polycythemia vera
general increase in RBC
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hematrocrit
seperation of blood, % of RBC in given vol of blood
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blood is composed of
- cells, suspended in plasma
- erythrocytes
- leukocytes
- platelets
- thrombocytes
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plasma
liquid portion of blood
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serum
- plasma minus clotting proteins and cells
- fluid that separates from blood when clot
- formed plasma, does not contain coagulation factors
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RBC morphology
biconcave disk; depressed or hollow surface on each side of cell (cough drop w/ thin central portion)
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function of lymph system
- drainage sys to transport proteins and fluid back to bloodstream via veins
- lymphatic vessels in intestines absorb lipids from sm intestine & transport to bloodstream
- immune system
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lymphadenopathy
disease of lymph nodes
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acquired immunity
formation of antibodiies & lymphocytes after exposure to an antigen
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cell-mediated immunity
immune response involving T lymphocytes; antigens destroyed by direct action of cells, as opposed by antibodies
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humoral immunity
- response in B cells recognize antigen and stimulate antibody
- T4 cell, CD4 cell
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natural immnuity
own genetic to fight disease
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