High blood pressure in the portal vein. This vein carries blood into the liver. Portal hypertension is a common complication of cirrhosis and may cause esophageal varices and ascites.
Read More »Phenotype: definition
The observable traits or characteristics of an organism, for example hair color, weight, or the presence or absence of a disease. Phenotypic traits are not necessarily genetic
Read More »Pharynx: definition
The space behind the mouth that serves as a passage for food from the mouth to the esophagus and for air from the nose and mouth to the larynx, or voice box.
Read More »Pernicious Anemia: definition
Anemia caused by a lack of vitamin B12. The body needs B12 to make red blood cells and nerve cells.
Read More »Peritonitis: definition
An infection of the peritoneum.
Read More »Peritoneum: definition
The lining of the abdominal cavity.
Read More »Peristalsis: definition
A wavelike movement of muscles in the gastrointestinal (GI) tract. Peristalsis moves food and liquid through the GI tract.
Read More »Perineum: definition
The area between the anus and the sex organs
Read More »Perineal: definition
Related to the perineum.
Read More »Perianal: definition
The area around the anus.
Read More »Perforation: definition
A hole in the wall of an organ.
Read More »Perforated Ulcer: definition
An ulcer that breaks through the wall of the stomach or the duodenum, causing stomach contents to leak into the abdominal cavity.
Read More »Percutaneous: definition
The passage of an instrument through the skin to allow access to the organs.
Read More »Peptide: definition
Two or more amino acids joined by a peptide bond.
Read More »Peptic Ulcer: definition
A sore in the lining of the esophagus, stomach, or duodenum, usually caused by the bacterium Helicobacter pylori. An ulcer in the stomach is a gastric ulcer; an ulcer in the duodenum is a duodenal ulcer.
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