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PBS UNIT 2 VOCAB
Question | Answer |
---|---|
BACILLUS | a cylindrical or rod shaped bacterium |
bacteria | a domain in the system of classification dividing all organisms into three major domains of life that includes the prokaryotes |
beta-globin | the polypeptide chain of hemoglobin that is designated beta and that when deficient or defectivecauses various nemias( as beta- thalassmia or sickle-cell anemia) |
bicuspid valve | the valve in the heart that guards the opening between the left atrium and the left ventricle, preventing blood from back flowing into the atrium. |
bioengineering | biological or medicall application of engineering principles or engineering equipment |
bioethics | the disciplines dealing with the ethical implications of biologoical research and application especially in medicine |
biomedical science | the application of principles of the natural sciences, especially biology and physiology, to clinical medicine. |
biopsy | the removal and examination of tissue,cels or fluid from the living body. |
blood pressure | the pressure exerted on the walls of the blood vessles,especially he arteries, measured on a radial artery by means of a sphygmomanometer and expressed in milimeters of mercury. |
brachycardia | a relatively slow heart action whether physiological or pathological |
buffer | a solution that minimizes changes in pH when extraneous acids or bases are added to a solution. |