(n.) A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.
(a.) Alt. of Amygdaloidal
Example Sentences:
(1) The anticonvulsant properties of the endogenous excitatory amino acid antagonist, kynurenic acid (KYA), were studied in prepubescent and adult rats using the amygdaloid kindling model of epilepsy.
(2) On the other hand, the limbic after-discharges to the hippocampal or amygdaloid stimulation were enhanced by Z. mioga as well as chlorpromazin, but they were inhibited by diazepam.
(3) Electrical amygdaloid kindling was carried out with a 15 min inter-stimulus interval (ISI) in a control situation with intravenous (i.v.)
(4) While acquisition was not influenced by saline injections into various other cerebral structures, it was significantly altered by similar injections into these amygdaloid nuclei, especially by those into the BL nucleus, suggesting that this nucleus is particularly involved in passive avoidance learning.
(5) In contrast, the efferent projections of the main olfactory bulb are distributed to the anterior olfactory nucleus, the tenia tecta, the olfactory tubercle, the pyriform cortex, the anterior cortical amygdaloid area, the posterolateral cortical amygdaloid area, and to the lateral entorhinal cortex.
(6) Amygdaloid kindling of rats produced an increase in hippocampal Met5-enkephalin-Arg6-Gly7-Leu8 and cholecystokinin immunoreactivities and simultaneously a decrease in dynorphin A1-8 content.
(7) Increased hippocampal DG uptake was correlated with prolonged amygdaloid after discharge duration but not with the behavioral seizure stage.
(8) These fibers terminate in the dorsal part of the medial amygdaloid nucleus and in the capsule of the central nucleus.
(9) The present study was designed to investigate the effects of electrical kindling in vivo on GABA immunoreactivity (GABA-IR) of the lateral and basolateral amygdaloid nuclei 2-6 months post-stimulation.
(10) Small bilateral electrolytic lesions in amygdaloid body restricted to basolateral, medial and central nuclei were produced.
(11) However, it is also apparent that the majority of putative transmitter types within the amygdaloid vagal projection still are unknown.
(12) Other areas related with the amygdaloid complex do not exhibit such an early increase, but this alteration occurs when the kindling process is fully established.
(13) This was particularly the case in the hypothalamus (areas of origin or termination of the tuberohypophyseal and incertohypothalamic dopamine systems) but also in the hippocampal formation (alveus, fimbria, hilus dentate gyrus), amygdaloid complex (anterior, basolateral, medial nuclei).
(14) Different effects of separate amygdaloid nuclei on insulin secretion were revealed in acute experiments.
(15) Effects of amygdaloid lesions on the switch-off behavior (SOB) and behavioral changes induced by a delayed reinforcement (DR) for SOB were investigated in 12 cats.
(16) These results indicate that terminals of intra-amygdaloid fibers expand from the cellular part to the molecular layer in the MAN and make synaptic contacts in this layer following the denervation of the AOB fibers.
(17) The findings provide further information about the synaptic organization of afferents to the amygdala, and indicate that single amygdaloid neurons play a role in the synaptic integration of input from these diverse sources.
(18) On the other hand suppression of dominance induced by clonidine given bilaterally into the cortical amygdaloid nucleus was resistant to desipramine treatment.
(19) The administration of 5 x 10(-8) moles of dibutyryl cyclic AMP through the cannula implanted into the amygdaloid complex also induced behavioral and electroencephalographic abnormalities similar to those found in the cholera toxin-treated animals.
(20) A moderate amount of amygdaloid terminals were located within the rostral A6 (locus coeruleus) and A2 (nucleus of the solitary tract) groups.
Imbedded
Definition:
(imp. & p. p.) of Imbed
Example Sentences:
(1) A specimen of a very early ovum, 4 to 6 days old, shown in the luminal form of imbedding before any hemorrhage has taken place, confirms that the luminal form of imbedding does occur.
(2) Functional assays utilizing protease substrates imbedded in agarose plates were evaluated for the ability to distinguish the R1 alpha-1-protease inhibitor from the other serum antiproteases eluted in column chromatography fractions.
(3) The methods of Bunnell, Kleinert and Kessler, who use the imbedded suture, were compared with the method of Becker, in which an external cross suture is used.
(4) Invariably, either because of imbedding of the device, perforation into the lower uterine segment, or simply from decay, the string comes off with traction during attempted removal, A simple, relatively painless procedure with the correct instrument is all that is required to remove the IUD.
(5) Renal veins from 25 rabbits were investigated by means of imbedding in paraffin with subsequent hematoxylin--eosin staining, after Van Gieson and with fuchselin after Hart.
(6) Pilonidal disease was treated by a new conservative technic, featuring opening the sinus tracks, removal of imbedded hairs and granulation tissue by gentle curettage, and freezing the opened wound with liquid nitrogen.
(7) Accumulated data suggests that sequences in the fifth exon of MHC class I genes may, therefore, constitute a mutational or recombinational hot spot that is mediated by minisatellite- and chi-like sequences imbedded within the coding region.
(8) Specimens of white matter were taken 1, 2, and 3 mm lateral to the ependymal surface of the lateral ventricles, imbedded, and examined using transmission electron microscopy.
(9) phosphatidylcholine) were simulated as a collection of interacting dipoles imbedded in a nonhomogeneous dielectric.
(10) All dentures made at the prosthodontic clinic of the University of Washington now have names imbedded in the acrylic resin in the hope that problems of denture identification will be eliminated in the future.
(11) When linear or supercoiled DNA molecules are imbedded in agarose gels and subjected to electric fields, they become oriented in the gel matrix and give rise to an electric birefringence signal.
(12) In most situations, such as deeply imbedded impactions, localized sclerotic bone, or foreign bodies, surgery would not be justified for elderly patients because of the possible unfavorable aftereffects.
(13) We have analyzed proteins bound to active and to inactive tRNA(tyr) genes imbedded in the late coding region of SV40 minichromosomal DNA.
(14) The dynamics of two domains in the myoglobin molecule, close to the heme and inside the protein medium including the surface, are investigated through the study of the fluorescence oxygen quenching of two probes imbedded in the heme pocket: zinc protoporphyrin IX (with a fluorescence lifetime of 2.1 ns) and metal-free protoporphyrin IX (with a fluorescence lifetime of 17.8 ns).
(15) It is the intention to make evident how the way to show a certain behavior is imbedded in more comprehensive conditions.
(16) Three cases are reported in which tooth fragments were imbedded in wounds.
(17) A key result of this model is that lipid bilayer compositions which are close to the non-lamellar phase boundaries of their phase diagrams are characterized by a frustrated elastic stress which may modulate the activity of imbedded membrane proteins and which may provide a rationale for the prevalence of non-lamellar-tending lipid species in biomembrane bilayers.
(18) A thermodynamic study is presented of temperature distributions created by an inductively heated 6-mm-diam Ni sphere imbedded in vivo and in vitro into porcine brain tissue.
(19) After decortication of the graft, posterior arches of C1 and 2, and microsurgical excision of the cartilage of the C1-2 lateral joints, the graft was imbedded into the entire C1-2 space, fixed, and tightened using a braid of "nylacap" yarn.
(20) On the next day, March 19, 1976, a grossly cystic 60 gm tumor was totally removed which was largely imbedded in the subcortex of the right temporal lobe.