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39 Cards in this Set
- Front
- Back
Autonomic Nervous System |
Portion of the nervous system that regulates involuntary actions, such as, heart rate, digestion, and peristalsis |
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Leaflet |
Flat, leaf-shaped structure that comprises the valves of the heart and prevents backflow of blood. |
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Lumen |
Tubular space or channel within an organ or structure of the body; space within an artery, vein, intestine, or tube. |
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Carbon Dioxide (CO2) |
Tasteless, colorless, odorless gas produced by body cells during metabolism |
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Cartilage |
Tough, elastic connective tissue that is more more rigid than ligaments but less dense than bone. |
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Cilia |
Hairlike structure |
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Diffuse |
To move or spread out a substance at random, rather than by chemical reaction or application of external forces |
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Mucous Membrane muc: mucus -ous: pertaining to |
Moist tissue layer lining hollow organs and cavities of the body that open to the environment; also called mucosa
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Oxygen (O2) |
Tasteless, colorless, odorless gas essential for human respiration |
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pH |
Symbol that indicates the degree of acidity or alkalinity of a substance |
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Septum |
Wall dividing two cavities |
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Serous Membrane Ser: serum -ous: pertaining to |
Thin layer of tissue that covers internal body cavities and secretes a fluid that keeps the membrane moist; also called serosa |
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Bilirubin |
Orange-yellow pigment formed during destruction of erythrocytes that is taken up by liver cells to form bilirubin and eventually excreted in the feces |
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Bolus |
Mass of masticated food ready to be swallowed |
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Exocrine |
Gland that secretes its products through excretory ducts to the surface of an organ or tissue or into a vessel |
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Sphincter |
Circular band of muscle fibers that constricts a passage or closes a natural opening of the body |
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Triglycerides |
Organic compound, a true fat, that is made of one glycerol and three fatty acids |
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Bilirubin |
Orange-yellow pigment formed during destruction of erythrocytes that is taken up by liver cells to form bilirubin and eventually excreted in feces. |
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Bolus |
Mass of masticated food ready to be swallowed. |
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Exocrine exo-: outside, outward -crine: secrete |
Gland that secretes its products through excretory ducts to the surface of an organ or tissue or into a vessel. |
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Sphincter |
Circular band of muscle fibers that constricts a passage or closes a natural opening of the body. |
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Triglycerides |
Organic compound, a true fat, that is made of one glycerol and three fatty acids. |
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Gastroenterology |
The branch of medicine concerned with digestive diseases. |
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Ulcer |
A circumscribed open sore on the skin or mucous membranes of the body. |
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hernia |
A protrusion of any organ, tissue, or structure through the wall of the cavity in which it is naturally contained. |
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Inguinal hernia |
Develops in the groin where the abdominal folds of flesh meet the thighs. |
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strangulated hernia |
The blood supply to the hernia is cut off because of pressure. |
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umbilical hernia |
A protrusion of part of the intestine at the navel. |
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congenital hernia |
A hernia that occurs in newborns or during early childhood. |
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diaphragmatic hernia |
A hernia developed in the diaphragm which is a congenital disorder. |
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hiatal hernia |
The lower part of the esophagus and the top of the stomach slides through an opening (hiatus) in the diaphragm into the thorax. |
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Intestinal Obstruction |
Occurs when the flow of intestinal contents are blocked. The two types are mechanical and nonmechanical. |
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Mechanical obstruction |
Occurs when intestinal contents are prevented from moving forward due to an obstacle or barrier that blocks the lumen. |
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Nonmechanical obstruction |
Occurs when peristalsis is impaired and the intestinal contents cannot be propelled through the bowel. |
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Hepatitis |
An inflammatory condition of the liver. |
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Hepatitis A |
Infectious hepatitis. Caused by contaminated food, water, or milk. |
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Hepatitis B |
Serum hepatitis. Transmitted via blood transfusions and sexual contact. A vaccine is available. |
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Hepatitis C |
Transmitted via blood transfusions and sexual contact. No vaccine is available. |
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Diverticulosis |
A condition in which small, blisterlike pockets develop in the inner lining of the large intestine and may balloon through the intestinal wall. |