(a.) Fig.: Abounding with difficulties or annoyances.
(n.) See Spinny.
Example Sentences:
(1) These results suggest that: (1) catecholaminergic (mainly dopaminergic) and prefrontal cortical terminals in the nucleus accumbens septi dually synapse on common spiny neurons; and (2) dopaminergic neurons in the ventral tegmental area receive monosynaptic input from prefrontal cortical afferents.
(2) The responses of a population of 30 olfactory receptor cells from spiny lobsters to 8 behaviorally relevant complex types of stimuli at 0.005, 0.05 and 0.5 mM were analyzed using multidimensional scaling to evaluate their potential for coding quality and intensity.
(3) Extracellular responses to complex biologically relevant stimuli were recorded from 30 primary olfactory cells from excised antennules of spiny lobsters.
(4) Earlier studies identified purinergic chemoreceptors in the olfactory organ of the spiny lobster, Panulirus argus.
(5) We speculate that in the adult neostriatum, the protein may be important in the remodeling of synapses onto medium spiny neurons that involve, in part, the corticostriatal pathway.
(6) Tissue from the digitiform rectal gland of the spiny dogfish, Squalus acanthias, was fixed briefly by formaldehyde perfusion and studied for the specificity and localization of p-nitrophenyl phosphatase (NPP'ase) activity.
(7) Type 2 multipolar cells are large neurons endowed with numerous primary spiny dendrites constituting a wide round dendritic field and with a thick axon.
(8) Spiny seahorse lives among a rare marine plant called eelgrass, which only grows in shallow sheltered seas in south-west England.
(9) The axon of the spiny type II neuron is long and has collaterals which are poorly arborized in comparison to those of spiny type I cells.
(10) Neurons of medium size with spine-rich dendrites (spiny type I) are the most frequent type.
(11) When taken together these cases show that just over 50% of the degenerating terminals are presynaptic to spiny appendages and are located within the synaptic clusters (glomeruli) described previously (King, '76).
(12) The external surface of the hypostome possesses cnidocils, possibly sensory hairs, and small spiny protrusions surrounding the mouth; the internal surface has cylindrical microvilli, free flagella and adherent flagella.
(13) Finally, they are at variance with the classical concept which subdivides cortical neurons into projection neurons (pyramidal and spiny stellate) and interneurons (non-pyramidal, local circuit neurons).
(14) Leishmania braziliensis panamensis has been isolated in culture from one spiny-pocket mouse (Heteromys dermarestianus) out of 43 examined, proving that rodents of this genus can be reservoirs of Leishmania of the braziliensis complex as well as of mexicana in Latin America.
(15) Several types of NPY-containing neurons can be distinguished by their laminar location, by the size of their perikarya, and by the size, shape, and pattern of ramification of their processes: 1) layer I small local circuit neurons; 2) layer II granule cells; 3) aspiny stellate cells located in layers II-III and V-VI, with long, slender dendrites; 4) sparsely spiny stellate cells; 5) aspiny stellate cells with long, horizontally oriented dendrites, whose cell body is situated in layer VI; 6) Martinotti cells in areas 9, 7, and 24; and 7) multipolar neurons situated in the white matter subjacent to the cortical gray.
(16) The naturally occurring dynamics of presynaptic axon terminals were investigated in the dentate gyrus and stratum lucidum of the spiny mouse (Acomys cahirinus) during maturation, adulthood and aging.
(17) Light and electron microscopy showed intense and extensive labeling of immunoreactive calbindin-D28k in the cell bodies, dendrites, and spines of medium-sized neostriatal spiny neurons and in their axon terminals which end in the globus pallidus.
(18) The SFGS was seen to contain pyramidal neurons with spiny dendrites in the SM, together with fusiform, multipolar and horizontal neurons.
(19) Spiny extrusions are present on many of the neurons, arranged either as varicosities giving a rosary feature or clumped in small groups over the dendritic processes; these are absent at the level of the soma.
(20) This is a report of experiments which provide evidence in support of the existence of an electric sense in the echidna, or spiny anteater Tachyglossus aculeatus.
Vexing
Definition:
(p. pr. & vb. n.) of Vex
Example Sentences:
(1) De Boer's successor's first tasks will be to keep the US aboard the negotiations and to clear up the vexed question of the legal status of the Copenhagen accord , the deal struck at Copenhagen by a small group but not endorsed by a majority of countries.
(2) There is also the vexed question of what should be the legal form of any Paris agreement, a subject likely to keep negotiators up late into the night at the conference, and some anxiety among the hosts over whether the text of a deal can be formulated in due time.
(3) But the bigger question, the one that has vexed historians, biographers and holocaust experts for eight decades, is why she was there.
(4) Cs (2 mM) reduced diastolic depolarization (DD) at different [Ca]O and in 10.8 mM [Ca]O revealed an oscillatory potential (VOS) and the decay of a prolonged depolarization (Vex).
(5) The past few days have been vexing ones for reporting guidelines, voluntary or legal.
(6) The present data also highlighted the vexed relationship between stress and seizure control, which needs to be further investigated.
(7) Another vexed national question in the coming months will be this one: who is the most worthy winner of BBC Sports Personality of the Year?
(8) Delivery of monoclonal antibodies to solid tumors is a vexing problem that must be solved if these antibodies are to realize their promise in therapy.
(9) Pathologists without considerable experience in the diagnosis of bone tumors find this question especially vexing.
(10) Caffeine (5 mM) abolishes Vos and Ios and increases Vex and Iex (as DOXO does), and adding DOXO slightly increased Vex and Iex.
(11) Posttraumatic joint stiffness is particularly vexing in the small joints.
(12) In this spirit, a vignette is offered from a clinical area in which questions of "health" and "illness" are particularly vexing at present.
(13) Some might argue that our eyes weren't quite on the ball back in '89: never mind the cataclysmic political upheaval in eastern Europe – the results of which still echo around the world – let's devote ourselves to a page concerned with vexed questions such as: why is water wet?
(14) The draft provides scant details on the vexed subject of accountability for emission reduction programmes.
(15) Nowhere was the commission’s balancing act more finely weighted than on the vexed question of bioenergy, which Cañete admitted was “a clear problem”.
(16) The top Chinese negotiator, Xie Zhenhua, said there was also a possibility of advances on the vexed issued of transparency – how to monitor, report and verify each nation's emissions to ensure they are honouring their pledges.
(17) But now it’s Isis who are the insurgents,” leaving the peshmerga with the vexing challenge of defending and holding territory.
(18) On the vexed issue of longer term finance, the Ethiopian prime minister Meles Zenawi presented an offer to reduce developing country demands by 75% to $100bn a year from 2020, in return for guarantees of how the money would be distributed.
(19) Discussed here are some contours of the vexing problem of adequate minority participation in the health professions and a brief discussion of some programs that appear to be working.
(20) After the creed and some Benjamin Britten, and a blessing and a long round of applause, the man charged with holding together the fractious global Anglican communion as it struggles with the vexed issues of women bishops and same-sex marriage processed out of the cathedral and into the bitterly cold spring afternoon.