期刊
CELL AND TISSUE RESEARCH
卷 383, 期 3, 页码 949-957出版社
SPRINGER
DOI: 10.1007/s00441-020-03404-5
关键词
Chitin; Pylorus; Skeletal muscle; Valve; Ventriculus
类别
资金
- LIU start-up funds
This study evaluated the gastrointestinal system of adult American horseshoe crabs, focusing on the stomach, to better understand the pyloric valve, ventricular lumen, and stomach muscular tunics.
The American horseshoe crab (Limulus polyphemus) is one of four extant species in the Order Xiphosura, subphylum Chelicerata, and are evolutionarily more closely related to scorpions and spiders, than crabs. The basic structure, function, and physiology of these invertebrates and their internal organs are not well documented in the literature. In this study, the gastrointestinal system, with a focus on the stomach, of adult L. polyphemus were assessed by gross and histologic methods to further characterize the pyloric valve, the lining of the ventricular lumen, and the muscular tunics of the stomach. Determination of normal anatomical structure of this organ system, along with characterization of the esophagus and intestinal tract, will set a standard against which tissue abnormalities, such as those seen with disease or pathology were to arise, would allow for better interpretation.
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