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A&P Chapter 1 S4

Fourth "section" of A&P chapter 1 textbook vocabulary

TermDefinition
Dorsal/Posterior Cavity Cranial and spinal cavity
Ventral/Anterior Cavity Contains thoracic cavity and abdominopelvic cavity
Cranial Cavity Houses the brain
Spinal/Vertebral Cavity Encloses the spinal cord
Thoracic Cavity Superior subdivision of the anterior cavity, enclosed by the rib cage. Contains the lungs and heart
Abdominopelvic Cavity Largest cavity in the body. No membrane physically divides this cavity.
Serous Membrane A thin membrane that covers the walls and organs in the thoracic and abdominopelvic cavities. The parietal layer of the membrane lines the walls of the body cavity
Pleura The serous membrane that encloses the pericardial cavity, which surrounds the heart
Peritoneum The serous membrane that encloses the peritoneal cavity, which surrounds several organs in the abdominopelvic cavity. They form fluid filled sacks which reduce friction as organs move
X-Ray Form of high energy electromagnetic radiation with a short wavelength capable of penetrating solids and ionizing gases.
Computive Tomography Noninvasive imaging that uses computers to analyze several cross-sectional X-rays in order to reveal minute details about structures in the body.
Magnetic Resonance Imaging Noninvasive imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals
Positron Emission Tomography A medical imaging technique involving the use of so-called radiopharamceuticals, substances that emit radiation that is short-lived and therefore relatively safe to administer to the body.
Ultrasonography An imaging technique that uses the transmission of high-frequency sound waves into the body to generate an echo signal that is converted by a computer into a real-time image of anatomy and physiology.
Created by: user-2030613
 

 



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