Essay on Anatomy: Anatomy and Thoracic Cavity Subdivisions

Submitted By rasto35
Words: 347
Pages: 2

Michael Rastovic Period 1 August 29, 2013

I. Human Anatomy and Physiology
A. Anatomical Position 1. Standard Anatomical body position a) Body erect b) Feet slightly apart c) Palms facing forward B.Regional Terms 1. Two major divisions of body a) Axial (1) Head, neck , and trunk b) Appendicular (1) Limbs 2. Regional terms designates specific areas C. Body Planes 1. Plane: Flat surfaces along which body or structures is cut for anatomical study 2. Sagittal Plane a) Divides body vertically into right and left parts b) Produces a sagittal section 3. Midsagittal (median) plane a) lies on midline 4. Parasagittal Plane a) not on midline 5. Frontal plane a) Divides body vertically into anterior and posterior parts 6. Transverse Plane a) divides body horizontally into superior and inferior parts b) Produces a cross section 7. Oblique section a) cuts made diagonally D. Body Cavities 1. Dorsal cavity a) Protects nervous system 2. Two subdivisions a) Cranial cavity (1) Encases brain b) Vertebral cavity (1) Encases spinal cord c) Ventral cavity (1) houses internal organs (2) Two subdivisions (a) Thoracic cavity

Michael Rastovic Period 1 August 29, 2013

(b) Abdominalpelvic E. Ventral body Cavities 1. Thoracic cavity subdivisions a) two pleural cavities b) each houses a lung 2. Mediastinum a) Contains pericardial cavity b) Surrounds thoracic organs 3. Pericardial cavity a) encloses heart 4. Abdominopelvic cavity subdivisons: a) abdominal cavity (1) Contains stomach, intestines, spleen,…