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Different projections of the central amygdaloid nucleus mediate autonomic and behavioral correlates of conditioned fear
The purpose of the present study was to determine whether lesions of areas projected to by the central amygdaloid nucleus (ACE) would disrupt the classical conditioning of autonomic and/or behavioralExpand
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Agmatine: an endogenous clonidine-displacing substance in the brain.
Clonidine, an antihypertensive drug, binds to alpha 2-adrenergic and imidazoline receptors. The endogenous ligand for imidazoline receptors may be a clonidine-displacing substance, a small moleculeExpand
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Spontaneous waves of cerebral blood flow associated with a pattern of electrocortical activity.
We examined the relationship between spontaneous changes in regional cerebral blood flow and electrocortical (ECoG) activity in spinalized rats anesthetized with 1.5% isoflurane. Regional cerebralExpand
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Inhibition of mammalian nitric oxide synthases by agmatine, an endogenous polyamine formed by decarboxylation of arginine.
Agmatine, decarboxylated arginine, is a metabolic product of mammalian cells. Considering the close structural similarity between L-arginine and agmatine, we investigated the interaction of agmatineExpand
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Is agmatine a novel neurotransmitter in brain?
Recent evidence suggests that agmatine, which is an intermediate in polyamine biosynthesis, might be an important neurotransmitter in mammals. Agmatine is synthesized in the brain, stored in synapticExpand
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Tonic vasomotor control by the rostral ventrolateral medulla: effect of electrical or chemical stimulation of the area containing C1 adrenaline neurons on arterial pressure, heart rate, and plasma
We have studied the responses to electrical and chemical stimulation of the ventrolateral medulla in the chloralose-anesthetized, paralyzed, artificially ventilated rat. Locations of most activeExpand
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Topographic organization of convergent projections to the thalamus from the inferior colliculus and spinal cord in the rat
The purpose of this study was to identify thalamic areas receiving convergent sensory inputs from acoustic and spinal projection systems in the rat. The topographic distribution of afferents to theExpand
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Organization of central adrenergic pathways: I. Relationships of ventrolateral medullary projections to the hypothalamus and spinal cord
We studied the organization of projections from the C1 adrenergic and A1 noradrenergic cell groups in the ventrolateral medulla (VLM) to the hypothalamus and the spinal cord by using a combination ofExpand
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Projections from the nucleus tractus solitarii to the rostral ventrolateral medulla
Projections from the nucleus tractus solitarii (NTS) to autonomic control regions of the ventrolateral medulla, particularly the nucleus reticularis rostroventrolateralis (RVL), which serves as aExpand
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The Origin of Man : A Chromosomal Pictorial Legacy
Comparisons of banded metaphase chromosomes (320 to 500 bands per hap-loid set) of man, chimpanzee, gorilla, and orangutan have revealed a general homology of chromosomal bands in the four speciesExpand
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