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Anatomy Lecture pt.1

Chapter 1

What are the 3 divisions of Anatomy? Gross or Macroscopic Microscopic Developmental
Gross Anatomy Regional Systemic Surface
Microscopic Cytology-study of cells Histology- study of tissues
Developmental Traces structural changes throughout life
Embrology Study of developmental changes of the body before birth.
Specialized Branches of Anatomy Pathological Radiographic Molecular
Renal Kidney function
Neurophysiology Workings of the nervous system
Cardiovascular Operation of the heart
Principle of Complementarity Know that all systems are always related to eahother
Levels of Structural Organization -Chemical -Cellular -Tissue -Organ -Organ System -Organismal
Organ System Interrelationship Know that no organ works by itself
Necessary Life Functions -Maintaining Boundaries -Movement -Responsiveness -Digestion -Metabolism -Excretion -Reproduction -Growth
Survival Needs Nutrients Oxygen Water Maintaing normal body temperature Atmospheric Pressure
Homeostasis Homeostasis is the ability to maintain a relatively stable internal environment in an ever changing outside world.
Receptor monitors the environment and responds to change
Control Center Determines the set point at which the variable is maintained
Effector provides the means to respond to the stimulus
Positive Feedback The output enhances exaggerates the original stimulus. (when high becomes higher)(blood clot)
Homeostatic Imbalance Occurs when you have a disease
Anatomical Position Body erect,feet slightly apart, palms facing forwards, thumbs point away from the body
Dorsal Cavity Cranial (skull & brain) Vertebral (spinal cord)
Ventral Cavity Thoracic Cavity Abdominpelvic
Pleural (subdivision of thoracic) each houses a lung
Mediastinum(subdivision of thoracic) contains the pericardial cavity surrounds the reaming thoracic organs
Pericardial Cavity(subdivision of thoracic) encases the heart
Amdoninpelvic Abdominal cavity- contains the stomach,intestines,spleen,liver,and other organs Pelvic Cavity- lies within the pelvis and contain the bladder,reproductive organs,and rectum
Parietal Serosa lines internal body
Visceral Serosa covers internal organs
Serous fluid separates the serosae
Created by: belgerb