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Body Organization Part II

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1 Body Organization Part II
BIO 201 Kelly Trainor, PhD

2 Objectives Describe the anatomical position.
Use correct anatomical terminology to describe body directions, body regions, and body planes or sections. Locate and name the major body cavities and their subdivisions and associated membranes, and list the major organs contained within them. Name the four quadrants or nine regions of the abdominopelvic cavity and list the organs they contain.

3 Regional Terms - Anterior

4 Regional Terms - Posterior

5 Directional Terms

6 Directional Terms

7 Directional Terms

8 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 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

9 Body Planes and Sections

10 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

11 Body Cavities Thoracic cavity subdivisions: Two pleural cavities
Each houses a lung Mediastinum Contains pericardial cavity Surrounds thoracic organs Pericardial cavity Encloses heart new

12 Serous Membranes Thin, double-layered membrane separated by serous fluid Parietal serosa lines internal body walls Visceral serosa covers the internal organs

13 Abdominopelvic Major Organs

14 Abdominopelvic Regions

15 Body Organization Part II Quiz

16 Activities Regional Terms (Anterior) – Labeling
Regional Terms (Posterior) – Labeling Body Cavities – Labeling Body Cavities – Memory Game

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