Basics of Anatomy and Physiology Amy L. Beard. Levels of Organization.
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Transcript of Basics of Anatomy and Physiology Amy L. Beard. Levels of Organization.
![Page 1: Basics of Anatomy and Physiology Amy L. Beard. Levels of Organization.](https://reader036.fdocuments.in/reader036/viewer/2022062408/56649e915503460f94b96644/html5/thumbnails/1.jpg)
Basics of Anatomy and Physiology
Amy L. Beard
![Page 2: Basics of Anatomy and Physiology Amy L. Beard. Levels of Organization.](https://reader036.fdocuments.in/reader036/viewer/2022062408/56649e915503460f94b96644/html5/thumbnails/2.jpg)
Levels of Organization
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Body Cavities – not the ones in your teeth
• Dorsal Cavity – Cranial Cavity and Vertebral Canal
• Ventral Cavity – Thoracic Cavity, Diaphragm and Abdominopelvic Cavity
• Oral Cavity
• Nasal Cavity
• Orbital Cavities
• Middle Ear Cavities
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More Cavities
• Abdominopelvic Cavity – Abdominal and Pelvic Cavities
• Synovial Cavity – surrounds freely moveable joints
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Pictures of Cavities – How many faces do you see?
http://homepage.smc.edu/wissmann_paul/anatomy1textbook/abdominopelvicregions.gif
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What organs belong to which cavity?
• Thoracic Cavity – Heart, lungs
• Abdominal Cavity – Stomach, liver, spleen, gall bladder, kidneys, most of small and large intestines
• Pelvic Cavity - Terminal portion of the large intestine, urinary bladder, internal reproductive organs
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Ventral Cavity
Cranial Cavity
Diaphragm
Abdominal Cavity
Pelvic Cavity
Pericardial Cavity
Pleural Cavity
Mediastinum
Thoracic Cavity
Vertebral Canal
http://www.biologycorner.com/anatomy/images/BodyCavity_label.jpg
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Dorsal Cavity
Cranial Cavity
Diaphragm
Pelvic Cavity
Abdominal Cavity
Vertebral Canal
Thoracic Cavity
http://www.biologycorner.com/anatomy/images/BodyCavity2_label.jpg
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Body Planes
• Sagittal• Transverse• Coronal - Frontal• Oblique
http://www.yachigusaryu.com/blog/pics/top_ten_principles/10/image003.jpg
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Body Sections
• Axial – Head, Neck and Trunk
• Appendicular – Upper and Lower Limbs
Axialhttp://staff.tuhsd.k12.az.us/gfoster/standard/axial.gif
Appendicular http://staff.tuhsd.k12.az.us/gfoster/standard/append.gif
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Relative Positions• Anatomical Position – Standing erect, face and
plams are facing forward• Superior• Inferior• Anterior• Posterior• Medial• Lateral• Proximal• Distal• Superficial• Deep
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Protective Membranes
• Serosa (serous membrane) – covers the walls of the ventral cavity and the outer sufraces of organs
• Parietal Serosa – lines the cavity walls – this folds on itself to form the Visceral Serosa, covering the organs in the cavity
• Serous fluid – separates serous membranes – not air