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Medial Septum

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https://www.readbyqxmd.com/read/28803901/the-cubital-tunnel-syndrome-caused-by-the-intraneural-or-extraneural-ganglion-cysts-case-report-and-review-of-the-literature
#1
Wen Kai Chang, Yong Ping Li, Deng Feng Zhang, Bing Sheng Liang
Cubital tunnel syndrome is the second most common nerve compression syndrome in peripheral nerve compression disease. Although potential ulnar nerve entrapment can occur at multiple points along its course, such as the arcade of struthers, the medial intermuscular septum, the medial epicondyle, the cubital tunnel, and the deep flexor pronator aponeurosis, the most common site of entrapment is the cubital tunnel. However, cubital tunnel syndrome could also be caused by the occupying masses along the course of ulnar nerve, such as intraneural or extraneural ganglia...
July 6, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28801194/medial-septum-modulates-hippocampal-gamma-activity-and-prepulse-inhibition-in-an-n-methyl-d-aspartate-receptor-antagonist-model-of-schizophrenia
#2
L Stan Leung, Jingyi Ma
We reviewed the participation of the septohippocampal system in an animal model of schizophrenia that was acutely induced by systemic injection of an N-methyl-d-aspartate (NMDA) receptor antagonist such as phencyclidine, MK-801 and ketamine. The NMDA receptor antagonist-induced model of schizophrenia is characterized by behavioral and electrophysiological disruptions, including a decrease in prepulse inhibition of the acoustic startle response (PPI), hyperlocomotion, decrease in gating of hippocampal auditory evoked potentials and robust increase in hippocampal gamma (30-100Hz) oscillations...
August 8, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28789855/a-new-method-for-stabilizing-the-columellar-strut-used-in-rhinoplasty-the-trans-septal-columellar-stabilizing-suture
#3
Jae Yong Jeong, Hyeokjae Kwon, Yibo Piao, Sang-Ha Oh
PURPOSE: Minimal deformity or instability after columellar strut graft (CSG) placement can be solved by placing a suture between the columella strut and the caudal septum, such as a medial crura anchor suture or a projection control suture. However, this is very tedious. MATERIALS AND METHODS: A trans-septal columellar stabilizing suture (TCSS) was developed for the management of final tip projection and location and increasing stability after CSG placement. RESULTS: Tip projection and rotation could be carefully controlled by changing the position of the TCSS...
July 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28770434/assessment-of-the-septal-area-neuronal-activity-during-penile-erections-in-rapid-eye-movement-sleep-and-waking-in-the-rats
#4
Kamalesh K Gulia, Yukihiko Kayama, Yoshimasa Koyama
To understand the central mechanism of penile erections during rapid eye movement (REM) sleep and waking, single units were recorded from the septal area in un-anesthetized head-restrained rats simultaneous with erections. Erectile events were assessed by pressure in the bulb of the corpus spongiosum of the penis and bulbospongiosus-muscle activity. Of 143 recorded neurons, 36% showed increased activity (E-type) and 24% decreased activity (I-type) during different phases of erection in REM sleep, while 10% were E-type and 35% were I-type during erections in waking...
August 2, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/28754901/scheduled-feeding-restores-memory-and-modulates-c-fos-expression-in-the-suprachiasmatic-nucleus-and-septohippocampal-complex
#5
Norman F Ruby, Nathan Fisher, Danica F Patton, Matthew J Paul, Fabian Fernandez, H Craig Heller
Disruptions in circadian timing impair spatial memory in humans and rodents. Circadian-arrhythmic Siberian hamsters (Phodopus sungorus) exhibit substantial deficits in spatial working memory as assessed by a spontaneous alternation (SA) task. The present study found that daily scheduled feeding rescued spatial memory deficits in these arrhythmic animals. Improvements in memory persisted for at least 3 weeks after the arrhythmic hamsters were switched back to ad libitum feeding. During ad libitum feeding, locomotor activity resumed its arrhythmic state, but performance on the SA task varied across the day with a peak in daily performance that corresponded to the previous daily window of food anticipation...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28746251/a-case-of-lacrimal-sac-septum-presenting-with-dacryocystocele
#6
Debrelle Lou P Siapno, Kyung In Woo, Yoon-Duck Kim
Lacrimal sac septum is a rare structural abnormality of the lacrimal system. A 15-year-old patient presented with epiphora and a mass inferior to the left medial canthal tendon. Dacryocystography and CT-dacryocystography revealed a dilated lacrimal sac with complete obstruction. A horizontal lacrimal sac septum was found in the mid-sac region during endoscopic dacryocystorhinostomy. Histopathologic examination of the septum revealed chronic inflammation with stratified columnar epithelial cell lining consistent with the lacrimal sac...
July 25, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28737555/l-shaped-septal-extension-spreader-graft-for-improvement-of-tip-symmetry-in-unilateral-cleft-lip-nose-deformities
#7
Serkan Sertel, Ioana-Irina Venara-Vulpe, François Gorostidi, Anthony de Buys Roessingh, Philippe Pasche
INTRODUCTION: The unilateral cleft lip nose is characterized by numerous complex and interdependent deformities. Secondary rhinoplasty techniques aim to correct cleft lip nose deformities by using multiple maneuvers combining septum and nasal spine medialization and alar cartilage, as well as soft tissue mobilization and repositioning. Moreover, cartilage grafting is frequently used to restore adequate tip projection and nasal symmetry. We present a technique of cartilage grafting commonly used in noncleft rhinoplasties that we modified for cases of moderate cleft lip nose deformities...
July 22, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28734870/elucidation-of-the-neural-circuits-activated-by-a-gabab-receptor-positive-modulator-relevance-to-anxiety
#8
REVIEW
Riccardo Pizzo, Olivia F O'Leary, John F Cryan
Although there is much evidence for a role of GABAB receptors in the pathophysiology of anxiety, the underlying neuronal mechanisms are largely unclear. The GABAB receptor allosteric positive modulator, GS39783, exerts anxiolytic effects without interfering with GABAB-mediated modulation of body temperature, cognitive performance and locomotor activity thus offering advantages over GABAB receptor agonists. However, the precise neural circuits underlying the anxiolytic effects of GS39783 are unknown. The aim of the present study was to identify brain structures and associated neuronal circuits that are modulated by GS39783 under either basal or mild stress conditions...
July 19, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28716173/central-compartment-atopic-disease
#9
John M DelGaudio, Patricia A Loftus, Aneeza W Hamizan, Richard J Harvey, Sarah K Wise
BACKGROUND: Isolated polypoid changes of the middle turbinate were recently reported as having a high association with inhalant allergy. A more advanced manifestation of this association may present as polypoid changes of the entire central sinonasal compartment (i.e., the middle and superior turbinates, and the posterosuperior nasal septum), while the lateral sinus mucosa remains relatively normal. OBJECTIVE: To introduce and describe this newly recognized variant of chronic rhinosinusitis (CRS), termed central compartment atopic disease (CCAD)...
July 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28713742/conservative-surgical-approach-to-restore-necrotic-columella-in-patients-undergoing-neonatal-usage-of-nasogastric-tube
#10
Francesco Inchingolo, Fabio Massimo Abenavoli, Francesca De Angelis, Alessandro Orefici, Luigi Santacroce, Gianna Dipalma
CONTEXT: A common complication, related to the use of nasogastric tube during the 1(st) day of life, is the necrosis of the columella. Esthetic damage in the early age typically leads to a healing request with very high result expectations. AIMS: We aimed to develop and use an innovative surgical technique. SETTINGS AND DESIGN: We used our technique in four cases. SUBJECTS AND METHODS: Our technique requires two flaps designed with two paramedian release incisions...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28702393/the-arcade-of-struthers-an-anatomical-study-and-clinical-implications
#11
Edie Benedito Caetano, João José Sabongi Neto, Luiz Angelo Vieira, Maurício Ferreira Caetano
OBJECTIVE: To determine the frequency and features of the arcade of Struthers, and to assess its clinical implication in ulnar nerve compression. METHOD: Forty arms from 26 cadaver specimens were dissected in the Anatomy Laboratory of this institution. The extension of the arcade, distance from the medial epicondyle, and relation with ulnar nerve were recorded. RESULTS: The arcade of Struthers was identified in 40 dissected arms (100%). In 29 (72...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28695319/acute-impact-of-selected-pyridoindole-derivatives-on-fos-expression-in-different-structures-of-the-rat-brain
#12
Romana Koprdova, Jana Osacka, Mojmir Mach, Alexander Kiss
The impacts of three pyridoindole derivatives (PDs), designated as PD144, PD143, and PD104, which have previously been shown to have antidepressant (PD144) and anxiolytic (PD143, PD104) properties, were investigated on the Fos expressions in 11 different rat brain areas, including the medial prefrontal cortex, striatum, septum, accumbens nucleus (shell, core), bed nucleus of the stria terminalis, hypothalamic paraventricular nucleus, central amygdala, locus coeruleus, dorsal raphe nucleus, and the solitary tract nucleus...
July 10, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28609296/neuroanatomical-pathways-underlying-the-effects-of-hypothalamo-hypophysial-adrenal-hormones-on-exploratory-activity
#13
Robert Lalonde, Catherine Strazielle
When injected via the intracerebroventricular route, corticosterone-releasing hormone (CRH) reduced exploration in the elevated plus-maze, the center region of the open-field, and the large chamber in the defensive withdrawal test. The anxiogenic action of CRH in the elevated plus-maze also occurred when infused in the basolateral amygdala, ventral hippocampus, lateral septum, bed nucleus of the stria terminalis, nucleus accumbens, periaqueductal grey, and medial frontal cortex. The anxiogenic action of CRH in the defensive withdrawal test was reproduced when injected in the locus coeruleus, while the amygdala, hippocampus, lateral septum, nucleus accumbens, and lateral globus pallidus contribute to center zone exploration in the open-field...
July 26, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28603805/stress-and-displacement-patterns-in-the-craniofacial-skeleton-with-rapid-maxillary-expansion-a-finite-element-method-study
#14
J Priyadarshini, C M Mahesh, B S Chandrashekar, Abhishek Sundara, A V Arun, Vinay P Reddy
BACKGROUND: Rapid maxillary expansion (RME), indicated in the treatment of maxillary deficiency directs high forces to maxillary basal bone and to other adjacent skeletal bones. The aim of this study is to (i) evaluate stress distribution along craniofacial sutures and (ii) study the displacement of various craniofacial structures with rapid maxillary expansion therapy by using a Finite Element model. METHODS: An analytical model was developed from a dried human skull of a 12 year old male...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28594798/-anatomical-aspects-of-formation-of-corona-phlebectatica
#15
R E Kalinin, I A Suchkov, G A Puchkova, V P Zhelezinskiĭ, I N Shanaev
The data concerning the anatomy of perforant veins of the foot can by no means be referred to as insufficiently known. At the same time, these descriptions are encountered rather rarely in the educational-and-methodical literature. To a certain degree, this may be explained by low pathogenetic significance of perforant veins of the foot; however, these data are required for the surgeon in carrying out both standard phlebectomy and sclerotherapy of subcutaneous varicose veins, especially if the zone of surgical intervention is situated immediately on the foot...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28591834/cholinergic-grb2-associated-binding-protein-1-regulates-cognitive-function
#16
Nan-Nan Lu, Chao Tan, Ning-He Sun, Ling-Xiao Shao, Xiu-Xiu Liu, Yin-Ping Gao, Rong-Rong Tao, Quan Jiang, Cheng-Kun Wang, Ji-Yun Huang, Kui Zhao, Guang-Fa Wang, Zhi-Rong Liu, Kohji Fukunaga, Ying-Mei Lu, Feng Han
Grb2-associated-binding protein 1 (Gab1) is a docking/scaffolding molecule known to play an important role in cell growth and survival. Here, we report that Gab1 is decreased in cholinergic neurons in Alzheimer's disease (AD) patients and in a mouse model of AD. In mice, selective ablation of Gab1 in cholinergic neurons in the medial septum impaired learning and memory and hippocampal long-term potentiation. Gab1 ablation also inhibited SK channels, leading to an increase in firing in septal cholinergic neurons...
June 7, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28576510/the-role-of-the-habenula-in-the-transition-from-reward-to-misery-in-substance-use-and-mood-disorders
#17
REVIEW
Albert Batalla, Judith R Homberg, Tatiana V Lipina, Guillaume Sescousse, Maartje Luijten, Svetlana A Ivanova, Arnt F A Schellekens, Anton J M Loonen
The habenula (Hb) is an evolutionary well-conserved structure located in the epithalamus. The Hb receives inputs from the septum, basal ganglia, hypothalamus, anterior cingulate and medial prefrontal cortex, and projects to several midbrain centers, most importantly the inhibitory rostromedial tegmental nucleus (RMTg) and the excitatory interpeduncular nucleus (IPN), which regulate the activity of midbrain monoaminergic nuclei. The Hb is postulated to play a key role in reward and aversion processing across species, including humans, and to be implicated in the different stages of transition from recreational drug intake to addiction and co-morbid mood disorders...
May 30, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28520850/anatomical-study-of-temporal-fat-compartments-and-its-clinical-application-for-temporal-fat-grafting
#18
Ru-Lin Huang, Yun Xie, Wenjin Wang, Tanja Herrler, Jia Zhou, Peijuan Zhao, Lee L Q Pu, Qingfeng Li
Background: Low satisfaction rates and severe complications are two major limitations for temporal hollowing augmentation using autologous fat grafting. Despite fat compartments in temporal region have been reported, its clinical applied anatomy for fat grafting have not been the subject of studies that show its benefits objectively and statistically. Objectives: To investigate temporal fat compartments and relative neurovascular structures in cadavers, developing a safe and effective fat grafting technique for temporal hollowing augmentation...
May 18, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28479324/theta-oscillations-during-active-sleep-synchronize-the-developing-rubro-hippocampal-sensorimotor-network
#19
Carlos Del Rio-Bermudez, Jangjin Kim, Greta Sokoloff, Mark S Blumberg
Neuronal oscillations comprise a fundamental mechanism by which distant neural structures establish and express functional connectivity. Long-range functional connectivity between the hippocampus and other forebrain structures is enabled by theta oscillations. Here, we show for the first time that the infant rat red nucleus (RN)-a brainstem sensorimotor structure-exhibits theta (4-7 Hz) oscillations restricted primarily to periods of active (REM) sleep. At postnatal day 8 (P8), theta is expressed as brief bursts immediately following myoclonic twitches; by P12, theta oscillations are expressed continuously across bouts of active sleep...
May 22, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28470551/nuclear-derivatives-and-axonal-projections-originating-from-rhombomere-4-in-the-mouse-hindbrain
#20
Maria Di Bonito, Michèle Studer, Luis Puelles
The r4-derived territory is located in the pontine region of the brainstem, forming a wedge-shaped slice that broadens from the choroidal roof to the ventral midline. R4-derived neuronal populations migrate radially inside and tangentially outside this rhombomere, forming nuclei of the sensorimotor auditory, vestibular, trigeminal and reticular systems. R4-derived fibre tracts contribute to the lateral lemniscus, the trigeminothalamic tracts, the medial tegmental tract and the medial forebrain bundle, which variously project to the midbrain, thalamus, hypothalamus and telencephalon...
May 3, 2017: Brain Structure & Function
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