نتایج جستجو برای: rostral mandibulectomy
تعداد نتایج: 6767 فیلتر نتایج به سال:
Microinjection of the GABA(A) agonist muscimol in the rostral medial accumbens shell in rats elicits appetitive eating behavior, but in the caudal shell instead elicits fearful defensive treading behavior. To further test the hypothesis that rostral shell muscimol microinjections produce positive motivational states, whereas caudal shell muscimol produces negative states, we measured behavioral...
The aim of the present study was to analyse thirty chinchilla (Chinchilla lanigera) brains, injected with latex, and to systematize and describe the distribution and the vascularization territories of the middle cerebral artery. This long vessel, after it has originated from the terminal branch of the basilar artery, formed the following collateral branches: rostral, caudal and striated (perfor...
The mammalian auditory cortex integrates spectral and temporal acoustic features to support the perception of complex sounds, including conspecific vocalizations. Here we investigate coding of vocal stimuli in different subfields in macaque auditory cortex. We simultaneously measured auditory evoked potentials over a large swath of primary and higher order auditory cortex along the supratempora...
We found that the ventral part of the prefrontal area 46 (46v) is connectionally heterogeneous. Specifically, the rostral part (46vr) displayed an almost exclusive and extensive intraprefrontal connectivity and extraprefrontal connections limited to area 24 and inferotemporal areas. In contrast, the caudal part (46vc) mostly displayed intraprefrontal connectivity with ventrolateral areas and ro...
Page 515 Taste signaling crucially involves ATP released from oral taste buds and P2X2/P2X3 purinergic receptors present on afferent sensory fibers which terminate in the central rostral nucleus tractus solitarius (NTS). A number of somatosensory trigeminal neurons devoid of P2X2 expression terminate in the lateral rostral NTS. Breza and Travers now analyzed P2X2 receptor expression on afferent...
OBJECTIVE Positive volume-outcome relationships exist for diseases treated with technically complex surgery. Contemporary patterns of oropharyngeal cancer surgery by hospital and surgeon volume are poorly defined. METHODS The Maryland Health Service Cost Review Commission database was queried for hospital and surgeon oropharyngeal cancer surgical case volumes from 1990 to 2009. RESULTS Over...
BACKGROUND Most skin cancers involving the head and neck region are easily managed with surgical resection and local flap rotation. Occasional patients present with massive neglected skin cancers or skin cancers that have recurred after multiple treatments. Management of these massive tumors may involve craniofacial resection, maxillectomy, or mandibulectomy to obtain clear margins. Reconstruct...
The rostral intralaminar thalamic nuclei (ILn) are organized to activate pathways originating in medial prefrontal cortex (mPF) that mediate memory-guided responding during alert, wakeful states. Previous studies have shown that rostral ILn or mPF lesions produce deficits in delayed matching to position (DMTP). Here, we manipulated rostral ILn activity in rats by microinjecting drugs or applyin...
PURPOSE We assessed the influence of the medial frontal lobe on micturition after chemical stimulation. We also examined the relation between the medial frontal lobe and the rostral pontine reticular formation, which has a strong inhibitory effect on micturition. MATERIALS AND METHODS A total of 35 female rats underwent continuous cystometry. Bladder activity changes were examined after physi...
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