The ultrastructure of the digestive cells of Argulus japonicus, Thiele 1900 (Crustacea: Branchiura)

Tam, Quinton; Avenant‐Oldewage, Annemariè

doi:10.1016/j.asd.2008.07.003

Cited by 7 publications

(2 citation statements)

References 46 publications

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“…Their divisions have been observed in crustaceans in the distal and medial zones, while no mitosis was observed in the proximal zone of the hepatopancreatic tubules [ 22 ]. However, in some cases mitotic divisions of E-cells were not confirmed [ 3 ] or these cells have not been observed in the midgut epithelium [ 4 , 15 , 16 , 19 ]. It has been suggested that a short life span causes epithelial degeneration to be rare and therefore the midgut epithelium can survive without regeneration.…”

Section: Discussionmentioning

confidence: 99%

Structure and Ultrastructure of the Endodermal Region of the Alimentary Tract in the Freshwater Shrimp Neocaridina heteropoda (Crustacea, Malacostraca)

et al. 2015

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The freshwater shrimp Neocaridina heteropoda (Crustacea, Malacostraca, Decapoda) originates from Asia and is one of the species that is widely available all over the world because it is the most popular shrimp that is bred in aquaria. The structure and the ultrastructure of the midgut have been described using X-ray microtomography, transmission electron microscopy, light and fluorescence microscopes. The endodermal region of the alimentary system in N. heteropoda consists of an intestine and a hepatopancreas. No differences were observed in the structure and ultrastructure of males and females of the shrimp that were examined. The intestine is a tube-shaped organ and the hepatopancreas is composed of two large diverticles that are divided into the blind-end tubules. Hepatopancreatic tubules have three distinct zones – proximal, medial and distal. Among the epithelial cells of the intestine, two types of cells were distinguished – D and E-cells, while three types of cells were observed in the epithelium of the hepatopancreas – F, B and E-cells. Our studies showed that the regionalization in the activity of cells occurs along the length of the hepatopancreatic tubules. The role and ultrastructure of all types of epithelial cells are discussed, with the special emphasis on the function of the E-cells, which are the midgut regenerative cells. Additionally, we present the first report on the existence of an intercellular junction that is connected with the E-cells of Crustacea.

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Section: Discussionmentioning

confidence: 99%

Structure and Ultrastructure of the Endodermal Region of the Alimentary Tract in the Freshwater Shrimp Neocaridina heteropoda (Crustacea, Malacostraca)

et al. 2015

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“…Tam and Avenant-Oldewage (2006) used gut ultrastructure to determine that the first larval stage uses yolk, and not blood, as the primary source of nutrition. Three years later, Tam and Avenant-Oldewage (2009) also used the digestive cell ultrastructure to determine that the elaborate enteral diverticula are part of the anterior midgut, and not similar to the midgut glands seen in other Crustacea.…”

Section: Argulusmentioning

confidence: 99%

History of Discovery of Parasitic Crustacea

Hadfield

2019

Parasitic Crustacea

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Parasitic Crustacea have been present in scientific literature since Linnaeus introduced the first classification system (binomial nomenclature). Crustaceans are considered to be the most morphologically diverse arthropods, with currently 19 parasitic orders known to science. This chapter reviews the history of discovery for each of the major parasitic Crustacea groups, highlighting some of the key developments that have influenced our current understanding of these parasites. Each taxonomic group is briefly introduced, followed by a synopsis on some of the outstanding contributions within that group. Knowledge development is followed, from the first parasites discovered to other historical highlights that influenced the groups up to this point. Other important discoveries (both taxonomic and ecological) are also noted, serving as a preview to the host-parasite interactions covered in the subsequent chapters. Additionally, several researchers who have added significant contributions to our knowledge of the parasitic Crustacea (specifically in taxonomy and discovery) are introduced, along with photographs of a select few. This historical review of the crustacean parasites provides a background to these diverse and abundant organisms and will contribute to a better understanding of their unique niche in the aquatic environment.

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The effect of starvation on the ultrastructure of the digestive cells of Dolops ranarum (Stuhlmann, 1891) (Crustacea: Branchiura)

Tam

Avenant‐Oldewage

2009

Arthropod Structure & Development

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The ultrastructure of the digestive cells of Argulus japonicus, Thiele 1900 (Crustacea: Branchiura)

Cited by 7 publications

References 46 publications

Structure and Ultrastructure of the Endodermal Region of the Alimentary Tract in the Freshwater Shrimp Neocaridina heteropoda (Crustacea, Malacostraca)

Structure and Ultrastructure of the Endodermal Region of the Alimentary Tract in the Freshwater Shrimp Neocaridina heteropoda (Crustacea, Malacostraca)

History of Discovery of Parasitic Crustacea

The effect of starvation on the ultrastructure of the digestive cells of Dolops ranarum (Stuhlmann, 1891) (Crustacea: Branchiura)

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