the human body: an orientation - mrs....

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


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?


I. Anatomical Position

- standing erect, with face forward, arms at sides, & palms & toes directed forward


The Language of Anatomy §  Special terminology is used to prevent

misunderstanding

§  Exact terms are used for

§  Position

§  Direction

§  Regions

§  Structures


Directional Terms

Table 1.1 (1 of 3)


Directional Terms

Table 1.1 (2 of 3)


Directional Terms

Table 1.1 (3 of 3)


Figure 1.5a

Regional Terms §  Anterior body landmarks


Regional Terms §  Posterior body landmarks

Figure 1.5b


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


Body Planes and Sections

Figure 1.6


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


Body Cavities

Figure 1.7


Abdominopelvic Quadrants

Figure 1.8a


Abdominopelvic Regions

Figure 1.8b


Abdominopelvic Major Organs

Figure 1.8c

the human body: an orientation - mrs....

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