(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.
Lava
Definition:
(n.) The melted rock ejected by a volcano from its top or fissured sides. It flows out in streams sometimes miles in length. It also issues from fissures in the earth's surface, and forms beds covering many square miles, as in the Northwestern United States.
Example Sentences:
(1) Compare her with Megan Draper, who is in a minidress too, but one that is several inches shorter and boasts the swirling lava-lamp prints that may have been seen in Vogue at the time.
(2) A 2.6-mile trail links two of the biggest, most accessible lava tubes, the lower and upper tubes.
(3) Even by Congolese standards, Goma has endured much in its history , from mass looting by the army to the arrival of a million Rwandan Hutu refugees, years of cross-border wars and, in 2002, a volcanic eruption that poured a tide of lava through its heart.
(4) As the heat drained from the city’s black streets, hewn out of lava from nearby Mount Etna , the stream of new arrivals kept coming.
(5) On 1 February, 17 died when Mount Sinabung in North Sumatra province spewed lava and gas.
(6) Half of Goma was said to be on fire - blazes which were started when the lava came in contact with gasoline stored in plastic containers in buildings and garages.
(7) Adult female and juvenile Mexican free-tailed bats (Tadarida brasiliensis mexicana) were collected bimonthly at Lava Cave, New Mexico from May through September.
(8) Jesse Lava, campaign director for Beyond Bars , a prison reform advocacy group, puts it this way: Prison doesn't cure addiction.
(9) Most tourists satisfy themselves with a quick drive around the crater rim, stopping for photos at the viewing points, but if you really want to smell the sulphur, feel the heat of the lava and hear the hissing of the steam vents, a bike tour is perfect.
(10) The investigation started as an inquiry into a money-laundering operation at a car wash, and has retained the name Lava Jato even as it mushrooms to encompass other illegal activities.
(11) Updated at 8.09pm GMT 8.06pm GMT Falcons 20 - Seahawks 7, 2:20 3rd quarter Gonzalez is a hill of molten lava - get off him!
(12) As the lava cooled and contracted, it split along joints into columns, most of which are pentagonal or hexagonal, with a few three, four, and seven-sided columns scattered throughout.
(13) A consideration of the island as a source of 222Rn must take into account the relatively low average flux density associated with the lava fields and accompanying thin soils.
(14) Till last week the lava flow was 10-mile long and covered about eight square miles.
(15) He said lava was still flowing into Goma (population around 400,000) and had "cut the town in half", burning a number of wooden houses.
(16) The arterial and venous segments of SVAs and LAVAs and an equivalent length of normal vessel were harvested at 48 hours (n = 16, 16, 16), 2 weeks (n = 12, 12, 12), and 4 weeks (n = 12, 12, 12).
(17) Fans of the film series can experience classic scenes at a new interactive exhibition at the London wax museum after teams of artists created models of Anakin Skywalker amid the lava of Mustafar and Han Solo in the Millennium Falcon alongside his Wookiee co-pilot Chewbacca.
(18) The results presented in this paper do not support the hypothesis of Nardelli, Amaldi & Lava-Sanchez that the number of ribosomal cistrons in various amphibians can always be expressed as a power of 2.
(19) Judge Sergio Moro – who has overseen the Lava Jato (Car Wash) investigation into bribery and kickbacks at Petrobras and other major corporations – must now assess allegations that the Workers’ party figurehead accepted 3.7m reais ($1.1m) in bribes.
(20) The bursting strength of suture- and laser-assisted vascular anastomosis (LAVA) was assessed using a standard rat femoral artery model.