the human body: an orientation - mrs....
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PowerPoint® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
PART C 1
The Human Body: An Orientation
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
DYGI? • Why is understanding the anatomical position important to an anatomy student? • The axillary & acromial areas are both in the general area of the shoulder. To what specific body area does each of these terms apply? • Which kind of section would cut the brain into anterior & posterior parts? • If you wanted to separate the thoracic cavity from the abdominal cavity, which type of section would you make? • Of the spinal cord, small intestine, uterus, & heart, which are in the dorsal cavity?
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
I. Anatomical Position
- standing erect, with face forward, arms at sides, & palms & toes directed forward
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The Language of Anatomy § Special terminology is used to prevent
misunderstanding
§ Exact terms are used for
§ Position
§ Direction
§ Regions
§ Structures
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Directional Terms
Table 1.1 (1 of 3)
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Directional Terms
Table 1.1 (2 of 3)
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Directional Terms
Table 1.1 (3 of 3)
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Figure 1.5a
Regional Terms § Anterior body landmarks
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Regional Terms § Posterior body landmarks
Figure 1.5b
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Body Planes and Sections § A sagittal section divides the body (or organ) into
left and right parts
§ A median, or midsagittal, section divides the body (or organ) into equal left and right parts
§ A frontal (also known as a coronal) section divides the body (or organ) into anterior and posterior parts
§ A transverse, or cross, section divides the body (or organ) into superior and inferior parts
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Body Planes and Sections
Figure 1.6
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Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Body Cavities § Dorsal body cavity
§ Cranial cavity houses the brain
§ Spinal cavity houses the spinal cord
§ Ventral body cavity
§ Thoracic cavity houses heart, lungs and others
§ Abdominopelvic cavity houses digestive system and most urinary system organs
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Body Cavities
Figure 1.7
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Abdominopelvic Quadrants
Figure 1.8a
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Abdominopelvic Regions
Figure 1.8b
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Abdominopelvic Major Organs
Figure 1.8c