(1) It is shown that in animals of the same line but differing by the behaviour in the open field, brain formations such as the sensorimotor cortex, caudate nucleus and n. accumbens have their own biochemical properties of the studied characteristics.
(2) Hence, in the intact caudate-putamen dopamine appears to suppress expression of these two neuropeptide genes leading to an activation of both NPY and SOM mRNA expression in many non- or low-expressing neurons when the level of dopamine is decreased.
(3) Senescent (26-28 months) Fischer 344 rats were shown to have a lower density of D2 sites (-36%) without any change in affinity in membranes prepared from homogenized caudate-putamen (CPU), as compared to young adult (5-6 months) rats.
(4) Overflow curves in both regions could be described with similar kinetic parameters except for the Vmax, which in the nucleus accumbens was only 60% of that measured in the caudate-putamen.
(5) The concentrations of metorphamide in the bovine caudate nucleus, the hypothalamus, the spinal cord, and the neurointermediate pituitary were determined by radioimmunoassay and chromatography separation procedures.
(6) We describe a right-handed native American who developed a foreign accent following damage to the left premotor region and white matter anterior to the head of the left caudate nucleus.
(7) The effect of sulfated cholecystokinin octapeptide (CCK-8S) on the generation of slow wave depolarisation in the rat caudate-putamen (CPu) was studied using in vivo voltammetry.
(8) Our results suggest that caudate TH levels plateau soon after birth and tend to remain relatively stable during aging, since no changes in either the relative number of TH-containing nerve terminals or the concentration of TH protein were found in subjects 15-63 years of age.
(9) Radioligand binding studies were conducted using [3H]CFT and [3H]GBR 12935 to label elements of the dopamine uptake system in caudate-putamen membranes of cynomolgus monkeys.
(10) In the caudate, terminal fields were restricted to a central longitudinal core while those from area 6DC were more widely distributed.
(11) The positivity of amyloid deposits in AD was 100% in the cerebral cortex, hippocampus, amygdala, thalamus, caudate nucleus, claustrum, hypothalamus, nucleus basalis of Meynert, and cerebellar cortex.
(12) The brain dialysis method was very useful for measuring the monoamine metabolite levels of the caudate nucleus while the experimental model was still alive and presenting the torticollis-like posture.
(13) This latter finding is interpreted as representing the consequence of persistent increases or decreases in activity of inhibitory interneurons in the caudate nucleus.
(14) The density of D-1 and D-2 dopamine receptors in human caudate nucleus and putamen, obtained postmortem, were studied throughout the adult lifespan using [3H]fluphenazine as the dopamine receptor ligand.
(15) Only slight evidence of serum neuroleptic activity was shown by radio-receptor assay measurements using [3H]spiperone binding and calf caudates, and the drug's effect on prolactin elevation was short-lasting (less than 10 hours).
(16) The IC50 values for the drugs in tissue sections corresponded closely with their reported IC50 values in monkey caudate-putamen membranes (r = 0.99, p less than 0.001), suggesting that [3H]CFT binding is similar in the two preparations.
(17) After dopamine stores in the caudate nucleus of cats were labeled with [(3)H]dopamine, the ventricular system was perfused with artificial cerebrospinal fluid.
(18) Volumes of caudate, lenticular, and diencephalic structures are estimated, as are grey matter volumes in eight separate cortical regions.
(19) These effects of GABA decreased from the caudal to rostral part within the caudate nucleus, an order which parallels the distribution of endogenous GABA and glutamic acid decarboxylase.
(20) At operation a large tumor arising from the caudate lobe was found and the tumor was totally resected.
(n.) The terminal, and usually flexible, posterior appendage of an animal.
(n.) Any long, flexible terminal appendage; whatever resembles, in shape or position, the tail of an animal, as a catkin.
(n.) Hence, the back, last, lower, or inferior part of anything, -- as opposed to the head, or the superior part.
(n.) A train or company of attendants; a retinue.
(n.) The side of a coin opposite to that which bears the head, effigy, or date; the reverse; -- rarely used except in the expression "heads or tails," employed when a coin is thrown up for the purpose of deciding some point by its fall.
(n.) The distal tendon of a muscle.
(n.) A downy or feathery appendage to certain achenes. It is formed of the permanent elongated style.
(n.) A portion of an incision, at its beginning or end, which does not go through the whole thickness of the skin, and is more painful than a complete incision; -- called also tailing.
(n.) One of the strips at the end of a bandage formed by splitting the bandage one or more times.
(n.) A rope spliced to the strap of a block, by which it may be lashed to anything.
(n.) The part of a note which runs perpendicularly upward or downward from the head; the stem.
(n.) Same as Tailing, 4.
(n.) The bottom or lower portion of a member or part, as a slate or tile.
(n.) See Tailing, n., 5.
(v. t.) To follow or hang to, like a tail; to be attached closely to, as that which can not be evaded.
(v. t.) To pull or draw by the tail.
(v. i.) To hold by the end; -- said of a timber when it rests upon a wall or other support; -- with in or into.
(v. i.) To swing with the stern in a certain direction; -- said of a vessel at anchor; as, this vessel tails down stream.
Example Sentences:
(1) The anatomic and functional development of the suprachiasmatic nuclei (SCN) was studied in the gray short-tailed opossum, Monodelphis domestica.
(2) The electrical stimulation of the tail associated to a restraint condition of the rat produces a significant increase of immunoreactive DYN in cervical, thoracic and lumbar segments of spinal cord, therefore indicating a correlative, if not causal, relationship between the spinal dynorphinergic system and aversive stimuli.
(3) This behavior consists of a very rapid bend of the body and tail that is thought to arise from the monosynaptic excitation of large primary motoneurons by the Mauthner cell.
(4) Platinum deer mice are conspicuously pale, with light ears and tail stripe.
(5) After isolation of the complex IV only gpFII and tails are required for mature phage formation in vitro.
(6) Earlier recognition of foul-smelling mucoid discharge on the IUD tail, or abnormal bleeding, or both, as a sign of early pelvic infection, followed by removal of the IUD and institution of appropriate antibiotic therapy, might prevent the more serious sequelae of pelvic inflammation.
(7) produced a strong analgesic effect in the formalin test and in the tail pinch test.
(8) Scientists at the University of Trento, Italy, have discovered that the way a dog's tail moves is linked to its mood, and by observing each other's tails, dogs can adjust their behaviour accordingly .
(9) Body weight (BW) and nose-tail length were less in the hypoxic exposed (H) rats than in control (C) animals growing in air.
(10) Nitrous oxide produced a dose-related analgesic response in rats (ED50, 67%) as measured by the tail-flick method.
(11) A total of 23 phage specific proteins (including four head and six tail proteins) could be identified after SDS polyacrylamide gel electrophoresis of extracts from phage SPP1 infected Bacillus subtilis cells.
(12) g (SD 0.15, N = 21), which was similar to tail skin.
(13) Slager, 33, was a patrolman first class for the North Charleston police department when he fatally shot Scott, 50, following a struggle that led from a traffic stop when the officer noticed that one of Scott’s car tail lights was broken.
(14) The patients' preoperative clinical status affected the results of surgery (Breslow p less than 0.03, Mantel p less than 0.02; one-tailed tests).
(15) These apparent conflicting results between IK and the tail current could not be explained by extracellular K+ fluctuation, because 20 mM Cs+ alone depressed both factors, but an additional application of Ba2+ caused an increase in both components compared with those in the former condition.
(16) Some of them situated in a particular environment fused with the tail sequence to produce monomeric ubiquitin genes that were maintained across species.
(17) Deletion of a carboxyl-terminal sequence, comprising the transmembrane domain and short cytoplasmic tail of the alpha chain of the T cell antigen receptor (TCR-alpha), prevented the rapid degradation of this polypeptide.
(18) We have investigated enhancement of pigmentation in inbred C3H- mice using tail skin as a model for testing the effects of phosphorylated DOPA (DP) and ultraviolet radiation.
(19) Diltiazem also produced a slight decrease of both the steady-state current during depolarization and the tail current after repolarization in these concentration ranges, while the hyperpolarization activated current (Ih) was not affected significantly.
(20) A fluorescent fucose-specific lectin-stained bodies and not tails of the organism.