Abstract The cardinal tetra Paracheirodon axelrodi is a species of the family Characidae great interest as an ornamental fish. Many aspects biology this are still unknown. present work presents complete description different components digestive tract P. axelrodi, analyzing its global anatomical arrangement, adjacent glands (liver and pancreas) previously ignored pyloric caeca, using histologic...

The alimentary tract is the largest endocrine factory in the body. The different types of endocrine cells, their distribution in the gastrointestinal tract, and their products are illustrated in Fig. 1. Some of the peptides and amines which are produced are established hormones, exerting physiological control of bodily functions, while the roles of others have not yet been determined. Some are ...

However, the particularity of the alimentary track restricts the utilization of the current available examine techniques. The upper gastrointestinal tract can be examined by Gastroscopy. The bottom 2 meters makes up the colon and rectum, and can be examined by Colonoscopy. In between, lays the rest of the digestive tract, which is the small intestine characterised by being very long (average 7 ...

BACKGROUND Juvenile polyposis syndrome, a rare disorder in children, is characterized with multiple hamartomatous polyps in alimentary tract. A variety of manifestations include bleeding, intussusception, or polyp prolapse. In this study, we present an 8-month-old male infant of juvenile polyposis syndrome initially presenting with chronic anemia. To the best of our knowledge, this is the young...