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* A coronal plane across the head and brain is modernly conceived to be parallel to the face ( the etymology refers to corona or crown ; the plane in which a king's crown sits on his head is not exactly parallel to the face, and exportation of the concept to less frontally endowed animals than us is obviously even more conflictive, but there is an implicit reference to the coronal suture of the cranium, which forms between the frontal and temporal / parietal bones, giving a sort of diadema configuration which is roughly parallel to the face ).
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coronal and plane
* A coronal or frontal plane divides the body into dorsal and ventral ( back and front, or posterior and anterior ) portions.
For post-embryonic humans a coronal plane is vertical and a transverse plane is horizontal, but for embryos and quadrupeds a coronal plane is horizontal and a transverse plane is vertical.
For example, if a person jumped directly up and then down, their body would be moving through the transverse plane in the coronal and sagittal planes.
The coronal plane and the sagittal plane are examples of longitudinal planes.
* A coronal ( also known as frontal ) plane is a Y-X plane, perpendicular to the ground, which ( in humans ) separates the anterior from the posterior, the front from the back, the ventral from the dorsal.
The axes and the sagittal plane are the same for bipeds and quadrupeds, but the orientation of the coronal and transverse planes switch.
CT scan of a patient with mesothelioma, Coronal plane | coronal section ( the section follows the plane that divides the body in a front and a back half ).
This means that a coronal ( on a plane parallel to the face ) section that cuts through the tail will also cross the body and head of the caudate nucleus.
Shown are T1-weighted ( a ) pre-contrast and ( b ) post-contrast Coronal plane | coronal images.
Approximate location of the celiac plexus on the coronal plane
Prognathism is the positional relationship of the mandible and / or maxilla to the skeletal base where either of the jaws protrudes beyond a predetermined imaginary line in the coronal plane of the skull.
coronal and across
* March 13: 2: 44 AM ET: A solar coronal mass ejection causes a blackout across all of Quebec, as it hits the Hydro-Québec power grid, affecting 6 million people for more than 9 hours.
coronal and head
The data is supplemented by axial sections of the whole body obtained by computed tomography, axial sections of the head and neck obtained by magnetic resonance imaging, and coronal sections of the rest of the body also obtained by magnetic resonance imaging.
Congenital diaphragmatic hernia: coronal obstetric ultrasound ( head to right of image, thorax centre, abdomen left ) shows the stomach and heart both within the thorax.
" The motion usually consists of a side-to-side tilting of the head in arcs along the coronal plane.
coronal and brain
Image: Human brain frontal ( coronal ) section description 2. JPG | Human brain frontal ( coronal ) section
Image: Human brain frontal ( coronal ) section description 2. JPG | Human brain frontal ( coronal ) section
Cresyl violet stain | Nissl-stained coronal section of the brain of a macaque monkey, showing hippocampus ( circled ).
Image: Human brain frontal ( coronal ) section description. JPG | Human brain frontal ( coronal ) section
Human brain in the coronal orientation.
Hence, what is technically a transverse ( orthogonal ) section with respect to the body length axis of a rat ( dividing anterior from posterior ) may often be referred to in rat neuroanatomical coordinates as a coronal section, and likewise a coronal section with respect to the body ( i. e. dividing ventral from dorsal ) in a rat brain is referred to as transverse.
Image: Human brain frontal ( coronal ) section description. JPG | Human brain frontal ( coronal ) section
Image: Human brain frontal ( coronal ) section description. JPG | Human brain frontal ( coronal ) section
Image: Human_brain_frontal_ ( coronal ) _section_description. JPG | The midbrain, pons, and medulla oblongata are labelled on this coronal section of the human brain.
coronal and is
The E-corona ( E for emission ) is due to spectral emission lines produced by ions that are present in the coronal plasma ; it may be observed in broad or forbidden or hot spectral emission lines and is the main source of information about the corona's composition.
During periods of quiet, the corona is more or less confined to the equatorial regions, with coronal holes covering the polar regions.
Since the corona has been photographated at high resolution in the X-rays by the satellite Skylab in 1973, and then later by Yohkoh and the other following space instruments, it has been seen that the structure of the corona is very various and complex: different zones have been immediately classified on the coronal disc
Usually coronal loops lasting for long periods of time are known as steady state or quiescent coronal loops, where there is a balance in loop energy sources and sinks ( example ).
A portrait as diversified as the one already pointed out for the coronal features is emphasized by the analysis of the dynamics of the main structures of the corona, which evolve in times very different among them.
Studying the coronal variability in its complexity is not easy because the times of evolution of the different structures can vary considerably: from seconds to several months.
The typical sizes of the regions where coronal events take place vary in the same way, as it is shown in the following table.
Kirlian photography is a collection of photographic techniques used to capture the phenomenon of electrical coronal discharges.
The coronal discharges identified as Kirlian auras are the result of stochastic electric ionization processes, and are greatly affected by many factors, including the voltage and frequency of the stimulus, the pressure with which a person or object touches the imaging surface, the local humidity around the object being imaged, how well grounded the person or object is, and other local factors affecting the conductivity of the person or object being imaged.
This is unlike coronal gestures involving the front of the tongue, which is more flexible.
Unlike the passive articulation, which is a continuum, there are five discrete active articulators: the lip ( labial consonants ), the flexible front of the tongue ( coronal consonants: laminal, apical, and subapical ), the middle – back of the tongue ( dorsal consonants ), the root of the tongue together with the epiglottis ( radical consonants ), and the larynx ( laryngeal consonants ).
However, as the pole of Vega is facing us and a polar coronal hole may be present, confirmation of a corona as the likely source of the X-rays detected from Vega ( or the region very close to Vega ) may be difficult as most of any coronal X-rays would not be emitted along the line of sight.
Inconsistencies in this wind and larger events on the surface of the star, such as coronal mass ejections, form a system that has features analogous to conventional weather systems ( such as pressure and wind ) and is generally known as space weather.
Radiation from the central star heats the gases to temperatures of about 10, 000 K. The gas temperature in central regions is usually much higher than at the periphery reaching 16, 000 – 25, 000 K. The volume in the vicinity of the central star is often filled with a very hot ( coronal ) gas having the temperature of about 1, 000, 000 K. This gas originates from the surface of the central star in the form of the fast stellar wind.
Cloud iridescence is caused by diffraction, occurring along coronal rings when the particles in the clouds are all uniform in size.
Of interest is the hot ionized medium ( HIM ) consisting of a coronal cloud at 10 < sup > 6 </ sup >- 10 < sup > 7 </ sup > K which emits X-rays.
The plasma could be a coronal cloud of a central object or a transient plasma, where the energy source is unknown, but could be related to the idea of a close binary.
Current wisdom has it that the massive coronal main sequence stars are late-A or early F stars, a conjecture that is supported both by observation and by theory.
All of the detected X-ray sources at, around, or near the Sun are within or associated with the coronal cloud which is its outer atmosphere.
In the area of solar X-ray astronomy, there is the coronal heating problem.
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