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Chapter One Anatomy and Physiology
Body Cavities and Anatomical terms
21
Biology
11th Grade
01/20/2012

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Term
Supine
Definition
Face-Up
Term
Prone
Definition
Face-Down
Term
Transverse Plane
Definition
Divide the body into superior/inferior sections
Term
Frontal Plane
Definition
Divide the body into anterior/posterior sections
Term
Sagittal Plane
Definition
Divide the body into left and right sections.
Term
Superior
Definition
At, near, closer to the body surface
Term
Inferior
Definition
Further from the body surface
Term
Body Cavity
Definition
Internal chambers that suspend vital organs.
Term
Types of body cavities
Definition
Dorsal (back)
Ventral (front)
Term
Functions of body cavities
Definition
1.Protect organs from shock; being a cushion.
2.Allow internal organs to enlarge without distorting other organs
Term
Cranial Cavity
Definition
Brain
Term
Spinal Cavity
Definition
From cranial cavity to the end of the vertebral column
Term
Thoracic Cavity
Definition
Contains the heart and lungs
Term
Abdominopelvic Cavity
Definition
Inferior to the thoracic cavity. Contains abdominal and pelvic organs
Term
Serous Membrane
Definition
Line the walls of the cavities. Cover the surface of the organs.
Term
Visceral
Definition
Membrane layer nearest the organ
Term
Parietal
Definition
Membrane layer furthest from the organ
Term
Mediastinum
Definition
Region between the pleural cavities
Term
Pleural Cavity
Definition
Cavity around each lung.
Term
Peritoneum
Definition
Lines the stomach, spleen, liver, small intestines, most of the large intestines.
Term
Retroperitoneum
Definition
Lines the abdominopelvic organs the peritoneum does not.
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