(1) In addition, lightly immunostained cells were distinguished in the caudal portion of the hypothalamic arcuate nucleus, area of tuber cinereum, retrochiasmatic area, and rostral portion of the paraventricular thalamic nucleus after colchicine treatment.
(2) For this purpose fragments of hypothalamus containing arcuate-periventricular nuclei and median eminence were incubated in vitro and endogenous DA released into the medium was assayed by radioenzymatic assay.
(3) Neurons in the arcuate and ventromedial nuclei were simultaneously both ACTH-like and PRL-like positive.
(4) In order to verify whether or not all the POMC neurons are equally affected by sex steroids, we arbitrarily divided the arcuate nucleus rostro-caudally into four equal portions and used an in situ hybridization technique to evaluate POMC gene expression in these different regions of the arcuate nucleus in the female rat.
(5) One arcuate cell identified as projecting to the median eminence was nonresponsive to supraoptic stimulation.
(6) These findings indicate that rGRF-LI is localized in the median eminence and arcuate nucleus in the rat and that rGRF-, SRIF-(1-28)-, and SRIF-(1-14)-LI are present in a 1:2.10:6.29 ratio on a molar basis.
(7) In oestrogen-treated preparations, tuberoinfundibular arcuate neurons responsive and unresponsive to accessory bulb stimulation could be distinguished by the frequency of successful antidromic propagation into the soma.
(8) Large numbers of strong labeling were observed in the arcuate nucleus, medial preoptic nucleus, and ventrolateral part of the ventromedial nucleus which are relative to sexual behavior.
(9) The structure and ultrastructure of the following regions of the hypothalamo-hypophysial neurosecretory system (HHNS) in the population cycle of lemming were studied: supraoptic (SON), paraventricular (PVN) and arcuate nuclei (AN), the median eminence (ME) and posterior pituitary (PP).
(10) The possible involvement of calmodulin in the process of endogenous dopamine (DA) release from arcuate-periventricular nuclei-median eminence fragments, containing tuberoinfundibular dopaminergic (TIDA) neurons, has been investigated in an in vitro incubation system.
(11) In the PAG, arcuate fibers terminated in areas with neurons immunoreactive to substance P, neurotensin, enkephalin and cholecystokinin (CCK) and putative contacts were identified with CCK-ir cells.
(12) Hybridizations were performed on coronal brain slices through the region of the arcuate nucleus using a 35S-labeled oligonucleotide probe complementary to a 30-base sequence within POMC mRNA.
(13) Adult rats treated neonatally with monosodium glutamate (MSG) exhibit lesions in the arcuate nucleus of the hypothalamus.
(14) Such fibers were observed to leave the posterior medial portion of the optic chiasm and, after arching dorsally, to project into the posterior fifth of the suprachiasmatic nucleus (SCN), as well as into the rostral part of the arcuate nucleus.
(15) Surgery confirmed the extrinsic compression of the two vessels by an aberrant fibromuscular bundle resembling an arcuate ligament.
(16) At the hypothalamic level, during the estrous cycle in rats, beta-END concentrations were highest on diestrus I in the arcuate nucleus, median preoptic area and median eminence and lowest at the time of the preovulatory 17 beta-E2 surge on proestrus, before the subsequent preovulatory hypothalamic GnRH and plasma LH surges.
(17) Finally, the GC may influence pain and mood control mainly via effects on enkephalin (ENK) neurons especially in the basal ganglia (mood) and on all beta-endorphin (beta-END) neurons of the arcuate nucleus, while most of the dynorphin neurons are not directly controlled by GC.
(18) Suppression of the tail flick response to noxious heat and paw withdrawal response to noxious pressure were produced by electrical stimulation of arcuate nucleus of the hypothalamus (ARH) in pentobarbital anesthetized rats.
(19) The cell nuclei exhibited perceptible weight increase too--in the medial preoptic area 68% (P less than 0.001); 55% in the arcuate neurons (P less than 0.001), and 39% in the ventromedial region.
(20) 3) Despite displacement of the arcuate eminence, the SSC tended to remain perpendicular to the petrous ridge and 60 degrees from the internal auditory canal.
Bow
Definition:
(v. t.) To cause to deviate from straightness; to bend; to inflect; to make crooked or curved.
(v. t.) To exercise powerful or controlling influence over; to bend, figuratively; to turn; to incline.
(v. t.) To bend or incline, as the head or body, in token of respect, gratitude, assent, homage, or condescension.
(v. t.) To cause to bend down; to prostrate; to depress,;/ to crush; to subdue.
(v. t.) To express by bowing; as, to bow one's thanks.
(v. i.) To bend; to curve.
(v. i.) To stop.
(v. i.) To bend the head, knee, or body, in token of reverence or submission; -- often with down.
(v. i.) To incline the head in token of salutation, civility, or assent; to make bow.
(n.) An inclination of the head, or a bending of the body, in token of reverence, respect, civility, or submission; an obeisance; as, a bow of deep humility.
(v. t.) Anything bent, or in the form of a curve, as the rainbow.
(v. t.) A weapon made of a strip of wood, or other elastic material, with a cord connecting the two ends, by means of which an arrow is propelled.
(v. t.) An ornamental knot, with projecting loops, formed by doubling a ribbon or string.
(v. t.) The U-shaped piece which embraces the neck of an ox and fastens it to the yoke.
(v. t.) An appliance consisting of an elastic rod, with a number of horse hairs stretched from end to end of it, used in playing on a stringed instrument.
(v. t.) An arcograph.
(v. t.) Any instrument consisting of an elastic rod, with ends connected by a string, employed for giving reciprocating motion to a drill, or for preparing and arranging the hair, fur, etc., used by hatters.
(v. t.) A rude sort of quadrant formerly used for taking the sun's altitude at sea.
(sing. or pl.) Two pieces of wood which form the arched forward part of a saddletree.
(v. i.) To play (music) with a bow.
(v. i. ) To manage the bow.
(n.) The bending or rounded part of a ship forward; the stream or prow.
(n.) One who rows in the forward part of a boat; the bow oar.
Example Sentences:
(1) Aldi, Lidl and Morrisons are to raise the price they pay their suppliers for milk, bowing to growing pressure from dairy farmers who say the industry is in crisis.
(2) The effects of maxillary protracting bow appliance were the maxillary forward movement associated with counter-clockwise rotation of the nasal floor and the mandibular backward movement associated with clockwise rotation.
(3) We have urged the government not to bow to the pressure of the opposition against this law.
(4) Facebook Twitter Pinterest Mark Karpeles, president of Mt Gox bitcoin exchange, bows his head during a press conference in Tokyo after a $400m hack.
(5) We see central bank leaders seemingly bowing to political pressures .
(6) The tangential force caused massive swelling and one week later bowing of the forearm was noticed.
(7) Following the last model’s disappearance backstage, Galliano appeared briefly in front of the audience and bobbed a blink-and-you-missed-it bow, dressed in the white lab coat that is the uniform of the Maison Margiela label for whom he now designs.
(8) She walked around her Bethnal Green and Bow constituency in a crop top that showed her belly button ring; she also established herself as a hard- working MP for that area.
(9) A case of acute plastic bowing fractures of both the fibula and tibia in a child is presented.
(10) It soon became a standard text for aspiring Young Conservatives and Bow Groupers in the days before the Thatcherite tide had engulfed even those institutions.
(11) At 12, Focus E15 were served with a notice to appear in Bow magistrates court at 2pm.
(12) Labour's Michael Dugher said he welcomed the prime minister "bowing down to public pressure".
(13) We report four patients with unilateral bowing of the lower leg, affecting only the fibula.
(14) Isolated bowing of the ulna is rare, yet its occurrence, particularly in conjunction with congenital dislocation of the radial head, has been documented.
(15) Tissue-type plasminogen activator (t-PA), when isolated from human colon fibroblast (hcf) cells, is N-glycosylated differently than when isolated from the Bowes melanoma (m) cell line (Parekh et al., 1988).
(16) President Obama's speech on Thursday seemed to put a neat bow on the past four years.
(17) Before negotiations have even started, the proposed trade deal between the EU and United States has been heralded as a game-changer: an unprecedented stimulus package for the European economy, a shot across the bow for British Eurosceptics and a chance for Europe and the US to set the standard for global trade before China beats us to it.
(18) Kevin Anderson and Alice Bows at the Tyndall centre for climate change research at Manchester University say global carbon emissions are rising so fast that they would need to peak by 2015 and then decrease by up to 6.5% each year for atmospheric CO2 levels to stabilise at 450ppm, which might limit temperature rise to 2C.
(19) On Saturday the president said he had no intention of bowing to critics' calls for him to step down.
(20) The present study was undertaken for the purpose of detecting the influence on upper first molars by the dynamic behavior originated in face-bow construction.