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Chapter 28 and 29
N/A
28
Chemistry
Undergraduate 1
04/29/2009

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Term
Amino Acid Pool
Definition
The entire collection of free amino acids in the body.
Term
Transamination
Definition
The interchange of the amino group of an amino acid and the keto group of an alpha-keto acid.
Term
Oxidative Deamination
Definition
Conversion of an amino acid -NH2 group to an alpha-keto group, with removal of NH4+
Term
Urea Cycle
Definition
The cyclic biochemical pathway that produces urea for excretion
Term
Nonessential Amino Acid
Definition
One of 11 amino acids that are synthesized in the body and are therefore not necessary in the diet.
Term
Essential Amino Acid
Definition
An amino acid that cannot be synthesized by the body and thus must be obtained in the diet.
Term
Reductive deamination
Definition
Conversion of an alpha-keto acid to an amino acid by reaction with NH4+
Term
Intercellular Fluid
Definition
Fluid inside the cells
Term
Extracellular Fluid
Definition
Fluid outside cells
Term
Blood Plasma
Definition
Liquid portion of the blood: an extrecellular fluid
Term
Interstitial Fluid
Definition
Fluid surrounding cells: an extracellular fluid
Term
Osmolarity
Definition
Amount of dissolved solute per volume of solution.
Term
Erythrocytes
Definition
Red Blood Cells; transporters of blood gases
Term
Whole Blood
Definition
Blood plasma plus blood cells
Term
Blood Serum
Definition
Fluid portion of blood remaining after clotting has occurred.
Term
Antigen
Definition
A substance foreign to the body that triggers the immune response
Term
Inflammatory Response
Definition
A non-specific defense mechanism triggered by antigens or tissue damage
Term
Immune Response
Definition
Defense mechanism of the immune system dependent on the recognition of specific antigens, including viruses, bacteria, toxic substances, and infected cells; either cell-mediated or antibody-mediated
Term
Antibody (immunoglobin)
Definition
Glycoprotein molecule that identifies antigens
Term
Inflammation
Definition
Result of the inflammatory response; includes swelling, redness, warmth, and pain
Term
Autoimmune disease
Definition
Disorder in which the immune system identifies normal body components as antigens and produces antibodies to them.
Term
Fibrin
Definition
Insoluble protein that forms the fiber framework of a blood clot
Term
Hemostasis
Definition
The stopping of bleeding.
Term
Blood Clot
Definition
A network of fibrin fibers and trapped blood cells that forms at the site of blood loss.
Term
Intrinsic Pathway
Definition
Begins when blood makes contact with the negatively charged surface of the fibrous protein collagen, which is exposed at the site of tissue damage.
Term
Extrinsic Pathway
Definition
Begins when damaged tissue releases an integral membrane glycoprotein known as tissue factor.
Term
Acidosis
Definition
the abnormal condition associated with a blood plasma pH below 7.35; may be respiratory or metabolic
Term
Alkalosis
Definition
The abnormal condition associated with a blood plasma pH above 7.45; may be respiratory or metabolic
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