نتایج جستجو برای: pharyngeal distortion
تعداد نتایج: 51523 فیلتر نتایج به سال:
BACKGROUND Atropine decreases the frequency of transient lower oesophageal sphincter relaxation (TLOSR) through an unknown mechanism. Gastric distension and pharyngeal receptor excitation are two possible sources for the afferent stimulus responsible for TLOSR. AIMS To determine whether atropine affects gastric distension induced TLOSR and pharyngeal receptor mediated lower oesophageal sphinc...
It has been hypothesized that the pressure in tissues surrounding the upper airway is one of the determinants of the size and shape of the upper airway. To our knowledge, this pressure has not been measured. The purpose of this study was to test whether the pressure in a tissue lateral to the upper airway, the lateral pharyngeal fat pad pressure (Pfp), differs from atmospheric and pharyngeal pr...
The phenotypes of skeletal malformations induced in pharyngeal arches and pectoral fins of Ž . X Japanese flounder larvae by retinoic acid RA , disulfiram, 2,2 -dipyridyl and azetidine-2-carboxylic acid were characterized, RA controls gene expression essential for pharyngeal and pectoral fin development; disulfiram is an inhibitor of RA synthase, 2,2-dipyridyl and azetidine-2-carboxylic acid ar...
An acute wheezing episode is the most common feature of severe lower respiratory tract infection during infancy. Respiratory syncytial virus (RSV) is the major causative agent. In order to study inflammation during acute wheezing episodes in infants, we wanted to assess the feasibility and contribution of induction of pharyngeal secretions. We therefore compared inflammatory markers in the phar...
OBJECTIVES The study was aimed to evaluate the pharyngeal airway linear measurements of untreated skeletal class II subjects with normal facial vertical pattern in prognathic maxilla with orthognathic mandible and orthognathic maxilla with retrognathic mandible. MATERIALS AND METHOD the sample comprised of lateral Cephalograms of two groups (30 each) of class II malocclusion variants. Group 1...
This prospective cohort study evaluated the use of videofluoroscopy in assessing changes in both antero-posterior (A-P) and transverse pharyngeal airway dimensions in patients with obstructive sleep apnoea (OSA). Forty patients [32 males and 8 females; mean age of 49.3 (SD = 10.79) years] with confirmed OSA, referred for mandibular advancement appliance (MAA) therapy were recruited. Patients re...
Introduction: Image distortion is one of the major problems of magnetic resonance imaging (MRI) for use in 3DMRI, velocity MRI, FMRI and radiotherapy treatment planning (RTTP). It is widely known that the most obvious effect of the inhomogenity of the magnetic fields and the nonlinearity of the gradient is the Geometric Distortion of MR tomograms. In this study, the...
بررسی میزان دیستورشن رادیوگرافی پانورامیک و پری اپیکال و ارزیابی inclination دندانهای عقل رویش یافته
چکیده ندارد.
چکیده ندارد.
The thymus is an organ for T lymphocyte maturation and is indispensable for the establishment of a highly developed immune system in vertebrates. In order to genetically dissect thymus organogenesis, we carried out a large-scale mutagenesis screening for Medaka mutations affecting recombination activating gene 1 (rag1) expression in the developing thymus. We identified 24 mutations, defining at...
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