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The coelomic elements of sea urchins (Strongylocentrotus)
SummaryThe four coelomocyte classes of the red sea urchin,Strongylocentrotus franciscanus, described by light-microscope studies, are confirmed and the fine structure described. Material examined
The ultrastructure of neuromuscular systems in Notoplana acticola, a free-living polyclad flatworm
TLDR
The term sarconeural junction is proposed to describe synapses between long sarcoplasmic extensions and nerve cells in flatworms as well as other animals to conjecture that these formed discrete functional motor-units.
The Effects of Cadmium and Iron on Catalase Activities in Tubifex
The effects of 1 μ/M Cd(II), alone and in combination with several concentrations of Fe(II), were investigated in Tubifex tubifex (a fresh water worm) by the determination of catalase activities in
The role of ultrastructure and physiological differentiation of epithelia in amino acid uptake by the bloodworm, Glycera.
TLDR
The epidermis of Glycera consists of interdigitating columnar cells and mucus secreting goblet cells and collagenous cuticle, which fall in the upper range of reported Kt values for marine invertebrates.
Induction of peroxisome proliferation and increase of catalase activity in yeast,Candida albicans, by cadmium
TLDR
The proliferation of peroxisomes and the increase of catalase activity following cadmium toxicity gives credence to the hypothesis that cadmiam toxicity is related to its potential to induce oxidative stress in cells.
Ultrastructure of nerve plexus in flatworms
TLDR
An infra-epithelial nerve-net also occurs in Notoplana acticola and contains naked nerve cells which lie between the bases of epithelial cells, which are interpreted as being motor terminals on epithelial secretory cells.
Worms as a Substitute for Rodents in Toxicology: Acute Toxicity of Three Nickel Compounds
TLDR
The ratios of toxicity of nickel acetate to the chloride and sulfate salts in the worms are similar to those ratios noted in mice.
Evaluation of three antidotes on arsenic toxicity in the common earthworm (Lumbricus terrestris)
TLDR
All three antidotes protected the worms against arsenic toxicity with varying degrees of effectiveness, including the most effective antidote was BAL.
Ultrastructure of nerve plexus in flatworms
TLDR
Synaptic components from the peripheral nervous system of the polyclad flatworm, Notoplana acticola, are described from electron microscopic observations and at least two kinds of solid-core vesicles also occur.
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