nervous systems
Do jellyfish have central nervous systems?
... a nervous system that rings the margin and subumbrella of a bell-shaped organism has a ‘centralized’ nature is ...centralized nervous system is found in these radially organized ...centralized ...
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Evolution of basal deuterostome nervous systems
... deuterostome nervous systems has been complicated by the ambiguous phylogenetic position of the Xenocoelomorpha (Xenoturbellids, acoel flat worms, nemertodermatids), which has been placed either as basal ...
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Larval nervous systems: true larval and precocious adult
... The apical organ of ciliated larvae of cnidarians and bilaterians is a true larval organ that disappears before or at metamorphosis. It appears to be sensory, probably involved in metamorphosis, but knowledge is scant. ...
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The phylogenetic position of ctenophores and the origin(s) of nervous systems
... of nervous systems? Overall, the detailed molecular and cellular similarities are compatible with the single origin of the ctenophore and eumetazoan nervous systems ...are ...
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The search for ancestral nervous systems: an integrative and comparative approach
... of nervous systems in basal organisms and their ancestors that go well beyond the singular diffuse nerve net ...conducting systems in extant basal forms and their larvae, particularly with a ...
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A Framework for Understanding Small Nervous Systems
... in nervous systems is a difficult ...the nervous system of ...small nervous systems. Its small nervous system of only 302 neurons is anatomically invariant and the connectome was ...
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Single cell analyses of nitrergic neurons in simple nervous systems
... Essential questions for understanding the biochemistry and physiology of NO in neurons and glia concern the actual concentrations of NO, its precursors and its breakdown products in single cell types. However, the ...
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Protein X of Borna Disease Virus Inhibits Apoptosis and Promotes Viral Persistence in the Central Nervous Systems of Newborn-Infected Rats
... 9 Protein X of Borna Disease Virus Inhibits Apoptosis and Promotes Viral Persistence in the Central Nervous Systems of Newborn-Infected Rats 䌤 Marion Poenisch,† Nils Burger,‡ Peter Staeh[r] ...
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Primitive nervous systems: electrophysiology of the pharynx of the polyclad flatworm, Enchiridium punctatum
... Multiple stimuli are needed to elicit behavioural sequences in the Enchiridium preparation, although the IMP can be evoked by a single short duration electrical stimulus.. Even in the la[r] ...
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Evolution of bilaterian central nervous systems: a single origin?
... This controversy about CNS evolution is intimately re- lated to issues of homology, and it is useful to outline current thinking about homology at the outset. It is im- portant not to conflate the concepts and ...
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Glycoproteins gM and gN of Pseudorabies Virus Are Dispensable for Viral Penetration and Propagation in the Nervous Systems of Adult Mice
... the nervous system, where they infect neurons and glial cells and eventually establish a latent ...two systems become infected by progeny viruses produced in the respiratory epithelium after primary ...
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Evidence for inhibition of cholinesterases in insect and mammalian nervous systems by the insect repellent deet
... Although the debate concerning the 'olfactory' mode of action of deet is still a topical question, other laboratory bioassays and field experiments have revealed that deet also exerts a deterrent effect in insects and ...
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Segmentation of the chick central and peripheral nervous systems
... An important link has also been drawn between hindbrain seg- mentation and hindbrain function in the analysis of the neuronal circuitry that underlies the respiratory rhythm. This was initiated by recording from ...
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Penetration of the nervous systems of suckling mice by mammalian reoviruses.
... 125 Serial sections of the lumbar part of the cord and right spinal ganglia were observed for the presence of virus at 14, 19, and 45 h and 4 days after inoculation in the right hindlimb[r] ...
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GLYCOGEN DISEASE OF THE HEART
... The pathologic findings were characterized by marked glycogen storage in skeletal, cardiac and smooth muscle, liver and nerve cells of the central and autonomic nervous systems.. In addi[r] ...
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Immunopathophysiology of pediatric CNS inflammatory demyelinating diseases
... However, in contrast to adults with MS, both the immune and nervous systems are undergoing active development in children and adolescents developing MS or other inflammatory CNS diseases. Although much of ...
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Neural immune pathways and their connection to inflammatory diseases
... Summary of animal model studies and therapeutic correlates Thus, animal models for arthritis have shown a role for the HPA axis, sympathetic, parasympathetic, and peripheral nervous systems. They have shown ...
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Methamphetamine: Effects on the brain, gut and immune system
... central nervous system stimulant which elevates mood, alertness, energy levels and concentration in the ...peripheral nervous systems, immune system and the gastrointestinal ...gut, nervous ...
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Selective recruitment of interganglionic interneurones during different motor patterns in Pleurobranchaea
... Brain inputs to BCI Rhythmic motor patterns may be elicited in isolated nervous systems by electrical stimulation of the MGON or stomatogastric nerve and by tonic depolarization of indiv[r] ...
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Short-lasting unilateral neuralgiform headache attacks with ispilateral facial flushing is a new variant of paroxysmal extreme pain disorder
... the nervous systems accompanying similar short-lasting, unilat- eral headaches in the trigeminal areas as follows: activation of the red nucleus, ventral pons, trigeminal root entry zone, and hypothalamus ...
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