Basics of Anatomy and Physiology Amy L. Beard

Levels of Organization

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

More Cavities Abdominopelvic Cavity – Abdominal and Pelvic Cavities Synovial Cavity – surrounds freely moveable joints

Pictures of Cavities – How many faces do you see? http://homepage.smc.edu/wissmann_paul/anatomy1textbook/abdominopelvicregions.gif

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

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

Dorsal Cavity Cranial Cavity Diaphragm Pelvic Cavity Abdominal Cavity Vertebral Canal Thoracic Cavity http://www.biologycorner.com/anatomy/images/BodyCavity2_label.jpg

Body Planes Sagittal Transverse Coronal - Frontal Oblique http://www.yachigusaryu.com/blog/pics/top_ten_principles/10/image003.jpg

Body Sections Axial – Head, Neck and Trunk Appendicular – Upper and Lower Limbs http://staff.tuhsd.k12.az.us/gfoster/standard/append.gif Axial Appendicular http://staff.tuhsd.k12.az.us/gfoster/standard/axial.gif

Relative Positions Anatomical Position – Standing erect, face and plams are facing forward Superior Inferior Anterior Posterior Medial Lateral Proximal Distal Superficial Deep

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