Results 131 to 140 of about 318,868 (184)
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Subdivisions of the interpeduncular nucleus: A proposed nomenclature
Brain Research Bulletin, 1984A compromise terminology for subdivisions is proposed which integrates the two previous standard and two recent and more detailed subnuclear schemes. The unpaired median subnuclei are called rostral, central and apical. The paired subnuclei are called rostral lateral, dorsal lateral, intermediate and lateral.
G S Hamill, N J Lenn, Nicholas J Lenn
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The development of somatostatin immunoreactivity in the interpeduncular nucleus of the cat
Developmental Brain Research, 1985Somatostatin (SS) immunoreactivity was localized in a population of neurons in the interpeduncular nucleus (IPN) of the developing and adult cat. SS-immunoreactive perikarya and fibers were found in several subdivisions of the IPN, but were most heavily concentrated in the central nucleus (IPC). Some immunoreactive fibers appeared to be associated with
Barbara Morley
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Cholinergic systems in the rat brain: II. Projections to the interpeduncular nucleus
Brain Research Bulletin, 1985The cholinergic innervation of the interpeduncular nucleus was investigated by use of fluorescent tracer histology in combination with choline-O-acetyltransferase (ChAT) immunohistochemistry and acetylcholinesterase (AChE) pharmacohistochemistry. Following propidium iodide or Evans Blue infusion into the interpeduncular nucleus, brains were processed ...
Nancy J Woolf +2 more
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Cholinergic synapse of the interpeduncular nucleus
Experimental Neurology, 1977Three technically independent approaches have been used to identify cholinergic synapses of the rodent's habenulo-interpeduncular tract. These involved electron-microscopic examination of the interpeduncular nucleus to determine (i) the numbers of degenerating vs normal boutons 2 to 3 days after placement of electrolytic lesions in the habenula; (ii ...
T, Hattori +3 more
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The development of cholecystokinin in the interpeduncular nucleus of rats
Developmental Brain Research, 1992This study describes the development and late disappearance of cholecystokinin-like immunoreactivity (CCK-LI) in the interpeduncular nucleus (IPN) of rats. Between one and 7 days of age, CCK-positive fiber labeling was sparse and restricted to the lateral subnuclei of the caudal IPN.
M P, Joyce, G A, Barr
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A study of afferent projections to the rat interpeduncular nucleus
Brain Research Bulletin, 1984Forebrain and brainstem afferents projecting to the interpeduncular nucleus (IPN) have been demonstrated in male rats by retrograde transport of fluorescent dye, "fast blue," microinjected in IPN, followed by intraventricular colchicine 48 hr prior to perfusion.
G S, Hamill, D M, Jacobowitz
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Transitory behavioral effects of interpeduncular nucleus damage
Experimental Neurology, 1961Abstract Previous research on rats has shown that the interpeduncular nucleus is implicated in retention of various learned habits. The present study tested whether the deficit in retention resulting from lesions in it is subject to diminution by lengthening the postoperative recovery period from 1 week to 3 weeks. Prolongation of the recovery period
R, THOMPSON, I, RICH
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Presynaptic GABAB sites in the interpeduncular nucleus
Neuropharmacology, 1984Abstract GABAB sites are highly concentrated in the interpeduncular nucleus (IPN). In an attempt to determine the cellular location of these sites we have examined the effect of lesions on the binding of 3H-GABA. The intrinsic neurones of the IPN were lesioned with kainate or ibotenate injections and the major afferent pathway from the habenula ...
G.W. Price +3 more
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Postnatal synaptogenesis in the rat interpeduncular nucleus
Journal of Comparative Neurology, 1978AbstractThe rat interpeduncular nucleus (IPN) was studied by electron microscopy from the day of birth to 33 days of age. The habenulointerpeduncular (H‐IPN) axons, the principal afferents to IPN, were prominent at birth, occuring in large groups. They formed occasional S synapses en passant at this time. S synapses subsequently increased progressively
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Neurogenesis in subnuclei of the rat interpeduncular nucleus and medial habenula
Brain Research Bulletin, 1986Development of the rat habenulo-interpeduncular system is of interest because of its highly ordered adult structure, including seven subnuclei within the interpeduncular nucleus (IPN), localization of synapses of different types and medial habenular (MH) sites of origin within the subnuclei, and differential localization of neurochemicals amongst the ...
N J, Lenn, S A, Bayer
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