The Shape of the Crista Ampullaris of the Semicircular Canals from a Functional Point of View

1961 ◽  
Vol 21 (5) ◽  
pp. 361-371 ◽  
Author(s):  
G.F. Dohlman
Keyword(s):  
Semicircular Canals ◽  
Point Of View ◽  
Crista Ampullaris ◽  
Functional Point

Dental Inclusion of Canine and Wisdom Tooth in Orthodontics Chemical Necroses

2018 ◽  
Vol 69 (8) ◽  
pp. 2191-2196
Author(s):  
Cristian Constantin Budacu ◽  
Nicoleta Ioanid ◽  
Cristian Romanec ◽  
Mihail Balan ◽  
Liliana Lacramioara Pavel ◽  
...  
Keyword(s):  
Third Molar ◽  
Point Of View ◽  
Separate Entity ◽  
Wisdom Tooth ◽  
Facial Aesthetics ◽  
The Third ◽  
Edentulous Mandible ◽  
Canine Guidance ◽  
Upper Jaw ◽  
Functional Point

Canine plays an important role in the dento-maxillary system. From a functional point of view, it provides the canine guidance, by positioning it in the frontal area, has a role in facial aesthetics. It plays an important prosthetic role by having the longest root and one of the longest arcade teeth. Three molars represent the last teeth that erupt in the arches both in the jaw and in the mandible, which is why they remain the most frequently included.Canine incidence is quite common following the wisdom tooth. It can be unilateral or bilateral and is more common in the upper jaw. The canine may remain included at the vestibular, palatal or between the two bones. A separate entity is the incision of the canine in the edentulous mandible or jaw. The study included 213 cases with dento-alveolar pathology, of which 128 patients were selected with dental inclusion. Our study reports that the first three molars are frequent, followed by the canine as opposed to other studies conducted by Guzduz K in 2011 and Fardi A of the same year bringing the canines first (Fardi, Guzduz). Some studies attribute the first place to the superior canine in terms of frequency, but they are abstracted from the molar three inclusion that they consider as most frequently (Compoy). The most common tooth in inclusion is the third molar (lower and upper) followed by the upper canine; the most commonly affected are women for both canine and molar.

scholarly journals Aurones: A Golden Resource for Active Compounds

Molecules ◽  
2021 ◽  
Vol 27 (1) ◽  
pp. 2
Author(s):  
Ilaria Mazziotti ◽  
Giovanni Petrarolo ◽  
Concettina La Motta
Keyword(s):  
Functional Properties ◽  
Scientific Community ◽  
Recent Literature ◽  
Biological Pathways ◽  
Point Of View ◽  
Drug Candidates ◽  
The Past ◽  
Comprehensive Picture ◽  
Functional Point ◽  
Chemical Strategies

Deemed as poorly represented in nature, aurones have been often overlooked by researchers compared to other members of the flavonoid superfamily. However, over the past two decades, they have been reassessed by the scientific community, who are increasingly appreciating their ability to modulate several biological pathways. This review summarizes the recent literature on this class of compounds, which has been analyzed from both a chemical and a functional point of view. Original articles, reviews and editorials featured in Pubmed and Scifinder over the last twenty years have been taken into account to provide the readers with a view of the chemical strategies to obtain them, their functional properties, and their potential of technological use. The resulting comprehensive picture aims at raising the awareness of these natural derivatives as effective drug candidates, fostering the development of novel synthetic analogues.

scholarly journals Automatic Fire Detection and Extinction with Infrared Multispectrum Electro-Optical Technology with Watch-Dog Timer Control, for a 220KV to 33KV Transformer

2021 ◽  
Vol 11 (11) ◽  
pp. 101-113
Author(s):  
Yesica Pamela Leandro Chacon ◽  
◽  
Omar Chamorro Atalaya
Keyword(s):  
Detection System ◽  
Fire Detection ◽  
Automatic Detection ◽  
Point Of View ◽  
Coefficient Of Determination ◽  
Functional Tests ◽  
Optical Technology ◽  
Optimal Response ◽  
Flow Parameters ◽  
Functional Point

The present research aims to design an automatic fire detection and extinction system, developed with infrared multi-spectrum electro-optical technology with watch-dog timer control, for an electrical transformer from 220KV to 33KV. Upon its development, it is concluded that the automatic detection and extinction system has a deluge system with sprayed water, which will be activated by a detection system with flame sensors, this system has infrared multispectrum Electro-Optical Technology and will be controlled by through the Timer Watch-Dog, which will automatically detect and report any failure in the state-of-theart microprocessor. By subjecting the detection and extinguishing system to operational and functional tests, an optimal response of the deluge sprinklers was obtained, through the pressure and flow parameters, also a coefficient of determination R2 equal to 0.991 is obtained, which represents that the design is optimal, evidencing feasibility from the operational and functional point of view. Keywords— Detection, Extinction, Automatic, ElectroOptical, Multispectral, Infrared, Timer Watch-Dog, Transformer

scholarly journals Recursos estilísticos de creación humorística en los debates parlamentarios españoles: una clasificación morfo-funcional

2021 ◽  
Vol 23 ◽  
pp. 395-419
Author(s):  
Alejandro Romero Nieto
Keyword(s):  
Point Of View ◽  
Parliamentary Debates ◽  
Functional Point ◽  
The Way

El funcionamiento del humor en entornos serios es un asunto de relativo interés para la Pragmática. Este trabajo se inscribe dentro de este contexto: su objetivo es clasificar y analizar los principales recursos estilísticos de creación humorística utilizados en los debates parlamentarios españoles desde un punto de vista morfo-funcional. Dicha clasificación se ha realizado en función de la manera en que se resuelve el conflicto que provoca el marco humorístico: bien mediante la sustitución de un marco por otro, o bien mediante la oposición de ambos. La conclusión extraída ha sido que el comportamiento humorístico en los parlamentos españoles tiende a activar dispositivos lingüísticos relacionados con la confrontación y la exageración. The functioning of humour in serious frames is an issue of relative interest to Pragmatics. This work is inscribed within this context: its aim is to classify and analyse the main stylistic resources of humorous creation used in Spanish parliamentary debates from a functional point of view. Such classification was made according with the way in which the conflict caused by the humorous frame is resolved: either by substituting one frame by another, or through the opposition of both frames. The conclusion was that humorous behaviour in Spanish parliaments tends to activate linguistic devices related with confrontation and exaggeration.

scholarly journals Palmitoylation as a Functional Regulator of Neurotransmitter Receptors

2018 ◽  
Vol 2018 ◽  
pp. 1-18 ◽  
Author(s):  
Vladimir S. Naumenko ◽  
Evgeni Ponimaskin
Keyword(s):  
Posttranslational Modifications ◽  
Current Knowledge ◽  
Point Of View ◽  
Covalent Attachment ◽  
Neurotransmitter Receptors ◽  
Protein Palmitoylation ◽  
Neuronal Proteins ◽  
Functional Point ◽  
Pathological Behavior ◽  
Multiple Signaling

The majority of neuronal proteins involved in cellular signaling undergo different posttranslational modifications significantly affecting their functions. One of these modifications is a covalent attachment of a 16-C palmitic acid to one or more cysteine residues (S-palmitoylation) within the target protein. Palmitoylation is a reversible modification, and repeated cycles of palmitoylation/depalmitoylation might be critically involved in the regulation of multiple signaling processes. Palmitoylation also represents a common posttranslational modification of the neurotransmitter receptors, including G protein-coupled receptors (GPCRs) and ligand-gated ion channels (LICs). From the functional point of view, palmitoylation affects a wide span of neurotransmitter receptors activities including their trafficking, sorting, stability, residence lifetime at the cell surface, endocytosis, recycling, and synaptic clustering. This review summarizes the current knowledge on the palmitoylation of neurotransmitter receptors and its role in the regulation of receptors functions as well as in the control of different kinds of physiological and pathological behavior.

ALL-OPTICAL ON-BOARD NETWORKS PROTOCOLS

2021 ◽  
Vol 4 (30) ◽  
pp. 87-98
Author(s):  
V. L. Olenev ◽  
◽  
N. Y. Chumakova ◽  
N. I. Sinyov ◽  
A. Y. Syschikov ◽  
...  
Keyword(s):  
Point Of View ◽  
Transport Layer ◽  
Protocol Stack ◽  
Data Link ◽  
Link Layer ◽  
Data Link Layer ◽  
Software Model ◽  
All Optical ◽  
Functional Point ◽  
Board Networks

The article presents the concept of all-optical on-board networks (AOON). AOON protocol stack is described, the operation of the transport layer, data link layer and the management layer of the AOON protocol stack is considered in details. The article also describes a software model designed to check the correctness of operation of the AOON protocol stack from a functional point of view, and an example of the developed software model is provided.

Screw-Retained Implant-Supported Fixed Dental Restorations: A Rational Method to Overcome Esthetic Issues with the Screw-Access Hole

2021 ◽  
Vol 7 (4) ◽  
Author(s):  
Etienne O ◽  
◽  
Waltmann E ◽  
Serfaty R ◽  
◽  
...  
Keyword(s):  
Bacterial Contamination ◽  
Point Of View ◽  
Dental Restoration ◽  
Rational Method ◽  
Rational Analysis ◽  
Dental Restorations ◽  
Access Hole ◽  
Functional Point ◽  
New Perspective ◽  
Materials Used

Achieving both esthetics and a perfect seal of the screw-access hole in a screw-retained implant-supported fixed dental restoration is a great challenge. From a functional point of view, a perfect seal needs to be obtained to prevent bacterial contamination along the screw access canal and the occlusion shall be addressed. Such a challenging procedure has to be based on a rational analysis of the different materials used. Screw-retained zirconia-based restorations offer a new perspective for esthetic and biocompatible results. The aim of this article is to describe an easy and reproducible clinical procedure to esthetically seal the screw-access hole of screw-retained implant-supported fixed dental restorations.

scholarly journals Nutritional characteristics of ancient Tuscan varieties of Triticum aestivum L.

2016 ◽  
Vol 11 ◽  
Author(s):  
Lisetta Ghiselli ◽  
Eleonora Rossi ◽  
Anne Whittaker ◽  
Giovanni Dinelli ◽  
Adriano Pasqualino Baglio ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Bread Wheat ◽  
Triticum Aestivum L ◽  
Point Of View ◽  
Human Consumption ◽  
Equal Proportion ◽  
Multivariate Statistical ◽  
Wheat Varieties ◽  
Beneficial Effects ◽  
Functional Point

Bread wheat (<em>Triticum aestivum</em> L.) is an important cereal in human consumption. In recent years, there has been a growing interest in ancient wheat varieties. The latter represent an important source of germplasm, characterized by a broader genetic base and, therefore, a potential source of biodiversity. The objective of the study was to ascertain the optimal balance between the presence of secondary metabolites having beneficial effects on health and technological features that ensure successful baking quality. The experimental trial was performed in 2011-2012 on three organic farms located in three different areas within the province of Siena (Tuscany). In each location, an overall evaluation of the commercial, rheological and functional properties of five ancient Tuscan bread wheat varieties (Andriolo, Frassineto, Gentil rosso, Inallettabile 96, Verna) as compared with a commercial modern variety (Palesio) was carried out. The ancient varieties were compared both singularly (pure) and in combination (mixtures) of two varieties in equal proportion, respectively. Biometric and productive parameters were detected for each plot (32 plots in each farm). Macro- and trace elements, polyphenols, flavonoids and antioxidant activity (ARP) were similarly determined on representative whole grain samples. Rheological analysis was carried out on flour samples. The multivariate statistical analysis using principal components (PC) analysis was performed on all variables analysed. The results showed a significant environment effect on the different parameters measured and did not reveal significant improvements in the variables measured when varieties were cultivated in mixtures. However, the study did reveal various interesting trends that are warranting of further investigation. The most interesting effect from a nutritional and functional point of view is the relationship between ARP, rheological properties, protein content and gluten content. These connections permit the potential towards the improvement of ancient varieties.

VI.—Features of Placoderm Diversification and the Evolution of the Arthrodire Feeding Mechanism.

1969 ◽  
Vol 68 (6) ◽  
pp. 123-170 ◽  
Author(s):  
Roger S. Miles
Keyword(s):  
Fossil Record ◽  
Anterior Part ◽  
Parallel Evolution ◽  
Good Evidence ◽  
Point Of View ◽  
Vertical Movements ◽  
Feeding Mechanism ◽  
Jaw Apparatus ◽  
History Of ◽  
Functional Point

SynopsisThe initial adaptive radiation of the Placodermi took place rapidly following the development of the basic placoderm adaptive complex after the ancestral scale covering of the trunk fused into a rigid shield, and not long before the group appears in the fossil record in the Lower Devonian. The radiation was mainly concerned with different ways of living in the benthos of a variety of marine and fresh-water environments; a few nektonic species appear late in the history of the Arthrodira. The fossil record shows the evolution of the orders in their adaptive zones. The zones become increasingly distinct as the orders evolve and become more specific in their adaptations, and the arthrodire, antiarch and rhenanid zones segregate into successively occupied sub-zones. The evolution of the Placodermi has been previously described in terms of improvements in the locomotor mechanism by an analysis of changes in the trunk-armour and pectoral fins. A more detailed description can be given by considering the feeding mechanism as well; this is particularly true of the largest order, the Arthrodira. Study of the feeding mechanism involves the cervical joints as well as the jaws and gnathals. The cervical joints had the same functions in feeding as the anterior part of the vertebral column (“the neck”) in many higher fish. In arthrodires jaw action involved vertical movements of the mandibular lever; the upper jaw apparatus is comparable to the rigid palatoquadrate-maxillary complex of primitive bony fish. The mandible was transformed into a bent lever inBrachyosteusby the development of a small “coronoid” process, but the arthrodire jaw apparatus remained undeveloped in comparison with Actinopterygii and Elasmobranchii. Arthrodire jaw suspension was autostylic. Evidence from the Rhenanida and Ptyctodontida has been interpreted to suggest that this condition was secondary, and that primitive placoderms had an elasmobranch or holocephalan-like palatoquadrate with hyostylic suspension. This view is not entirely supported by the state of the palatoquadrate in primitive arthrodires, but there is no good evidence that placoderms had a complete, open spiracular gill-slit (the aphethoyoid condition). Arthrodire phylogeny cannot yet be described in vertical lines, but four successive levels of organization of increasing efficiency can be recognized; the actinolepid, phlyctaenaspid, coccosteomorph and pachyosteomorph levels. These levels can be defined by simple characters relating to broad adaptations in the locomotor and feeding mechanisms. Evolutionary trends in the Arthrodira include the enlargement of the scapulocoracoid and base of the pectoral fin and the reduction of the spinal plate and flank armour, as the fish gain better control in the water and more myomeres become available for use in swimming; and the enlargement of the nuchal gap and development of the cranio-thoracic joint as powerful muscles are developed to raise the head to give a wide gape, accompanied by the specialization of the gnathals for different modes of feeding. Some of these trends are reversed in compressed, nektonic species. The description of arthrodire phylogeny in terms of changes that can be understood from a functional point of view reveals interesting examples of mosaic and parallel evolution.Parabelosteusn.gen. is erected.

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