Developmental morphology of a holothurian, …
WEBMay 1, 2000 · Developmental morphology of a holothurian, Cucumaria japonica (Dendrochirota, Holothuroidea), a species with accelerated metamorphosis May 2000 Invertebrate Reproduction & Development …
The morphology of the digestive tract and respiratory organs of …
WEBApr 1, 2013 · The microanatomy of the digestive and respiratory systems of the holothurian Cladolabes schmeltzii was studied. The digestive tube of C. schmeltzii is divided into seven parts. The pharynx, esophagus, and stomach are lined with cuticular immersed epithelium.In these regions, the epithelial cells are connected via desmosomes, septate …
Tentacular ultrastructure and feeding behaviour of …
WEBThe fine structure and possible functions of the epithelium are described with reference to the behaviour of tentacles during feeding and the observations are compared with existing information on holothuroid feeding mechanisms. Suspension-feeding in the holothurian Neopentadactyla mixta (Östergren), 1898 is accomplished by an adhesive secretion …
The annual reproductive cycle of the holothurian Aslia lefevrei ...
WEBThe dendrochirote holothurian Aslia lefevrei (Barrois) is locally and densely aggregated (>70 individuals m-2) in Galway Bay, on the west coast of Ireland. It has a discrete, relatively short breeding period from the end of February to the beginning of April, with peak activity in March. The sexes are separate and the single gonad, consisting of numerous tubules …
The reproductive biology of Ypsilothuria talismani (Holothuroidea ...
WEBOct 6, 2009 · Samples of the deep-sea holothurian Ypsilothuria talismani were collected in a time series sampling programme from April 1978 to August 1981 at a 2200 m station in the northern Rockall Trough. The gonad of Ypsilothuria talismani lies beneath the dorsal body wall and the gonad tubules ramify throughout the body cavity close to the gut. In the …
Microscopy Research and Technique - Wiley Online Library
WEBApr 29, 2015 · The entire regeneration process is divided into five stages. In the first three stages, the digestive system and damaged ends of the longitudinal muscle bands regenerate. The intestine is formed through the rearrangement and growth of the remaining portion of the first descending part of the intestine. The gut anlage grows down the …
Coelomocyte Morphology in the Holothurians <Emphasis Type
WEB(Dendrochirota: Cucumariidae) M. G. Eliseikina and T. Yu. Magarlamov Institute of Marine Biology, Far East Division, Russian Academy of Sciences, Vladivostok 690041 e-mail: inmarbio@mail.primorye.ru Received October 8, 2001 Abstract —The cellular composition of the coelomic fluid of the Far Eastern holothurinans Apostichopus japonicus and
Developmental morphology of a holothurian, Cucumaria japonica ...
WEBIn this connection, histological methods were used in this work to study the development of internal organs in C.japonica. Materials and Methods Adult pubertal specimens of C. japonica (Holothuroidea, Dendrochirota) were collected from Vostok Bay, Sea of Japan. The animals were placed in glass aquaria with aerated seawater. Spawning was ...
Coelomocyte Morphology in the Holothurians - Springer
WEBThe cellular composition of the coelomic fluid of the Far Eastern holothurinans Apostichopus japonicus and Cucumaria japonica was studied using light and transmission electron microscopy and histochemistry. In the coelomic fluid of A. japonicus, the following types of coelomocytes were distinguished: progenitor cells; amoebocytes; vacuolated cells; small …
The reproductive biology of Ypsilothuria talismani (Holothuroidea ...
WEBOct 6, 2009 · Samples of the deep-sea holothurian Ypsilothuria talismani were collected in a time series sampling programme from April 1978 to August 1981 at a 2200 m station in the northern Rockall Trough. The gonad of Ypsilothuria talismani lies beneath the dorsal body wall and the gonad tubules ramify throughout the body cavity close to the gut. In the …
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