Ontogeny of digestive organs during early developmental stages of the tropical whitespotted bamboo shark, Chiloscyllium plagiosum - a histological study
Xu, Xiaojin1,2; Qin, Yingxue1,2; Luo, Gang1,2; Huang, Xi1,2; Zou, Wen-zheng1,2; Zheng, Lipin3; Wang, Jun4; Su, Yongquan4
2015-07-04
Source PublicationMARINE AND FRESHWATER BEHAVIOUR AND PHYSIOLOGY
Volume48Issue:4Pages:253-266
AbstractThis study was undertaken to address a lack of understanding of the early developmental stages of the tropical elasmobranch whitespotted bamboo shark, Chiloscyllium plagiosum, to assist with advancement of its aquaculture. It is the first report of the histological and ultrastructural characteristics of its developing digestive tract. The study was carried out from hatching to 60days after hatching (DAH). Embryos for this study were maintained in the laboratory. Histological investigations yielded the following data. At hatching, the gut of an embryo consisted of an undifferentiated straight tube that lay over the yolk sac. The digestive tract was differentiated into buccopharynx, esophagus, stomach, and intestine by 8DAH. During the preflexion phase (within 16DAH), the mucous cells of the esophagus were differentiated. Gastric glands were present at 60DAH, indicating the transition from the embryonic to the juvenile stage and the acquisition of an adult mode of digestion. The lumen of the intestine appeared on 6DAH; the intestinal valve appeared and divided the intestine into anterior and posterior sections on 20DAH. The liver and the pancreas were formed on 8DAH. The yolk sac was partially depleted by 80DAH. In terms of ultrastructure, on 30DAH, the anterior section of the esophagus was lined by a stratified epithelium, whereas the posterior section was lined by simple tall columnar epithelial cells. Goblet cells and oxynticopeptic cells were found in the stomach. The pancreatic acinar cells were strongly elongated and of two types: one with a pale and the other with a more opaque cytoplasm.
SubtypeArticle
KeywordBamboo Shark Chiloscyllium Plagiosum Ontogeny Digestive Organs Early Developmental Stages
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1080/10236244.2015.1050229
URL查看原文
Indexed BySCI
Language英语
WOS KeywordRECTAL GLAND ; TRACT ; LARVAE ; SYSTEM ; MORPHOLOGY ; JUVENILES ; BEHAVIOR ; WATERS
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000355795100001
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.idsse.ac.cn/handle/183446/501
Collection深海科学研究部_深海生物学研究室_海洋微生物分子生态学研究组
Affiliation1.Minist Educ, Engn Res Ctr Modern Technol Eel Ind, Fujian Prov Key Lab Marine Fishery Resources & Ec, Xiamen, Peoples R China
2.Jimei Univ, Coll Fisheries, Xiamen, Peoples R China
3.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya, Peoples R China
4.Xiamen Univ, Coll Ocean & Earth Sci, Xiamen, Peoples R China
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GB/T 7714
Xu, Xiaojin,Qin, Yingxue,Luo, Gang,et al. Ontogeny of digestive organs during early developmental stages of the tropical whitespotted bamboo shark, Chiloscyllium plagiosum - a histological study[J]. MARINE AND FRESHWATER BEHAVIOUR AND PHYSIOLOGY,2015,48(4):253-266.
APA Xu, Xiaojin.,Qin, Yingxue.,Luo, Gang.,Huang, Xi.,Zou, Wen-zheng.,...&Su, Yongquan.(2015).Ontogeny of digestive organs during early developmental stages of the tropical whitespotted bamboo shark, Chiloscyllium plagiosum - a histological study.MARINE AND FRESHWATER BEHAVIOUR AND PHYSIOLOGY,48(4),253-266.
MLA Xu, Xiaojin,et al."Ontogeny of digestive organs during early developmental stages of the tropical whitespotted bamboo shark, Chiloscyllium plagiosum - a histological study".MARINE AND FRESHWATER BEHAVIOUR AND PHYSIOLOGY 48.4(2015):253-266.
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