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Introduction and History of Anatomy/Levels of Organization.

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1 Introduction and History of Anatomy/Levels of Organization

2 Definitions ► Anatomy- From Greek “to cut open”  Study of the structure of the body, either regionally or systematically ► Physiology – branch of biological science dealing with the function of organs and organ systems

3 Hippocrates ► Greek physician who studied anatomy, and speculated physiology ► “Father of Anatomy” ► Much of his work remains today ► Hippocratic oath taken by doctors at graduation

4 Hippocrates’ Beliefs ► Sickness was not a divine punishment ► Medicine should be ethical (Hippocratic oath) ► Patient confidentiality

5 ► I swear to fulfill, to the best of my ability and judgment, this covenant: I will respect the hard-won scientific gains of those physicians in whose steps I walk, and gladly share such knowledge as is mine with those who are to follow. ► I will apply, for the benefit of the sick, all measures [that] are required, avoiding those twin traps of overtreatment and therapeutic nihilism. therapeutic nihilismtherapeutic nihilism ► I will remember that there is art to medicine as well as science, and that warmth, sympathy, and understanding may outweigh the surgeon's knife or the chemist's drug. ► I will not be ashamed to say "I know not," nor will I fail to call in my colleagues when the skills of another are needed for a patient's recovery. ► I will respect the privacy of my patients, for their problems are not disclosed to me that the world may know. Most especially must I tread with care in matters of life and death. If it is given to me to save a life, all thanks. But it may also be within my power to take a life; this awesome responsibility must be faced with great humbleness and awareness of my own frailty. Above all, I must not play at God. ► I will remember that I do not treat a fever chart, a cancerous growth, but a sick human being, whose illness may affect the person's family and economic stability. My responsibility includes these related problems, if I am to care adequately for the sick. ► I will prevent disease whenever I can, for prevention is preferable to cure. ► I will remember that I remain a member of society, with special obligations to all my fellow human beings, those sound of mind and body as well as the infirm. ► If I do not violate this oath, may I enjoy life and art, respected while I live and remembered with affection thereafter. May I always act so as to preserve the finest traditions of my calling and may I long experience the joy of healing those who seek my help.

6 Modern Anatomy ► Use of new technology provided further understanding of both structure and function of organs and organ systems ► CAT scans, X-rays, Genetic tests, MRI

7 Future of Anatomy ► Health related studies are now centered around molecular biology ► Looking for genetic and molecular indicators of disease ► New assays conducted more in vitro vs. in vivo

8 Levels of Organization

9 Atom ► Most basic that anything can be broken down into and still exhibit characteristics of itself ► Ie. Nitrogen, oxygen, carbon

10 Molecule ► Work collectively to form a cell ► Ie. Protein, carbohydrate, lipid

11 Cell ► Work together to form a tissue ► Ie. RBC, WBC, cardiac muscle cell

12 Tissue ► Cells which work together to form an organ ► Ie. Cardiac muscle tissue, elastic tissue surrounding veins and arteries

13 Organ ► Collection of tissues that work together to form an organ system ► ie. Heart, blood, vein, capillary, etc.

14 Organ system ► Organs which work together to perform a certain function ► Ie. Circulatory system

15 Organism ► Organism (in this case humans) ► Collection of organ systems which function together

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