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Treatment of Atlantic cnidarian envenomations
Toxicon, 2009Envenomation syndromes induced by Atlantic cnidaria have been tabulated and their therapy discussed. The pharmacokinetics of the venom has been emphasized. Pain occurs instantly and reaches a zenith rapidly in the surf. The nematocysts have already penetrated the dermis and disease proceeds before help can arrive.
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The nature of cnidarian desmocytes
Tissue and Cell, 1969The electron microscope reveals that the cnidarian desmocyte is an ectodermal cell which forms acidophil protein tonofibrillae intracellularly. One end of the cell is bound to mesogleal fibrils; the other becomes embedded in the thickening cuticle. The bundle of tonofibrillae later becomes rivet-shaped and the cell dies, but still the mesoglea remains ...
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Venomology of Marine Cnidarians
2020This chapter deals mainly with the marine cnidarian envenomations and their treatment and management. The different aspects relating to envenomations include the components of venom apparatus (nematocysts, spirocysts and ptychocysts); mechanism of cnidae discharge; characteristics and composition of marine cnidarian venoms viz.
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2008
Cnidarians are an ancient group of animals at the base of metazoan evolution. They exhibit a simple body plan with only one well-defined body axis and a small number of cell types. Cnidarians are also well known for their enormous regeneration capacity.
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Cnidarians are an ancient group of animals at the base of metazoan evolution. They exhibit a simple body plan with only one well-defined body axis and a small number of cell types. Cnidarians are also well known for their enormous regeneration capacity.
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Unusual Cnidarian Envenomations
2016This chapter is a collection of unusual cnidarian envenomations. Cnidarian envenomations are common all around the world. According to the World Register of Marine Species database, there are 10,762 accepted cnidarian species and about 100 of these are considered harmful to humans. There is a great diversity of cnidarian envenomations.
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Wonderful Ediacarans, wonderful cnidarians?
Evolution & Development, 2008In Wonderful Life, Stephen Jay Gould (1989) argued that the morphological range of arthropods recovered from the Middle Cambrian Burgess Shale fauna in British Columbia demonstrated that morphologic diversity increased more rapidly than taxonomic diversity.
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Pigment Effector Cells in a Cnidarian
Science, 1962Chromatophore complexes are described in the siphonophore Nanomia cara . The dispersion and concentration of pigment are related to variation in light intensity and do not appear to be endogenously influenced. The pigment, possibly an ommochrome, has an absorption maximum at 465 to 470 mμ.
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Dermatologic Therapy, 2002
Cnidarians are aquatic animals including the jellyfish, the Portuguese man-of-war, fire coral, hydroids, sea anemones, and coral. Many of these can harm human skin and rarely some envenomations can lead to a serious or even fatal outcome. This article discusses the varied creatures in this group that can harm man and potentially lead to serious ...
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Cnidarians are aquatic animals including the jellyfish, the Portuguese man-of-war, fire coral, hydroids, sea anemones, and coral. Many of these can harm human skin and rarely some envenomations can lead to a serious or even fatal outcome. This article discusses the varied creatures in this group that can harm man and potentially lead to serious ...
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Cnidarians: Diversity and Evolution of Cnidarian Visual Systems
2023Sydney Birch +3 more
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