Histological Study of the Digestive Tract of Liza abu (Heckel) 3- Intestine
| Autor: | Wijdan Basheer Abid, Hanan Raad Diaa |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: | |
| Zdroj: | Ibn Al-Haitham Journal for Pure and Applied Sciences, Vol 30, Iss 1 (2017) |
| Druh dokumentu: | article |
| ISSN: | 1609-4042 2521-3407 |
| Popis: | The study includes histological structure of pyloric caeca , intestine and rectum of Liza abu , the results show that the pyloric caeca are non-branched fingerlings structures numbering (4) and length rate was (0.5) cm , while the intestine of Liza abu was long narrow tube composed of a number of laps , the anterior part of intestine was wider in diameter than the posterior part , the length of intestine was (32) cm , the rectum was straight tube extends from the end of posterior part of intestine to the anus. The wall of pyloric caeca , intestine and rectum consists of main layers : mucosa , submucosa , muscularis and serosa , lining epithelium of pyloric caeca , intestine and rectum were simple columnar consisting of enterocytes having goblet cells in between , goblet cells react positively with PAS and AB in intestine and rectum , and with PAS only in pyloric caeca , tunica submucosa was a thin layer of dense connective tissue , tunica muscularis consists of smooth muscle fibersarranged in two layers : internal circular and external longitudinal , tunica serosa was thin layer of loose connective tissue surrounded by mesothelium . |
| Databáze: | Directory of Open Access Journals |
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