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A deviated septum is an abnormal condition in which the top of the cartilaginous ridge leans to the left or the right, causing obstruction of the affected nasal passage. It is common for nasal septa to depart from the exact centerline; the septum is only considered deviated if the shift is substantial or causes problems. [ 3 ]
The nasal septum can depart from the centre line of the nose in a condition that is known as a deviated septum caused by trauma. However, it is normal to have a slight deviation to one side. The septum generally stays in the midline until about the age of seven, at which point it will frequently deviate to the right.
The septum pellucidum (Latin for "translucent wall") is a thin, triangular, vertical double membrane separating the anterior horns of the left and right lateral ventricles of the brain. It runs as a sheet from the corpus callosum down to the fornix. The septum is not present in the syndrome septo-optic dysplasia.
The other two important structures of the midline include the third ventricle and the pineal gland, which are both centrally located and caudal to the septum pellucidum. [6] [7] Identifying the location of these structures on a damaged brain compared to an unaffected brain is another way of categorizing the severity of the midline shift. The ...
[3] [6] Hydrocephalus can be identified by a CT scan or MRI scan of the brain, [6] and treatment involves a neurosurgical operation in which an endoscope (i.e., a tiny camera and tools) is used to widen the foramen or create a new opening through the septum pellucidum between the lateral ventricles. [3]
In SOD, mid-line brain structures such as the corpus callosum and the septum pellucidum may fail to develop normally, leading to neurological problems such as seizures or developmental delay. [8] Patients with seizures are more likely to show additional neurological abnormalities such as cortical dysplasia , polymicrogyria and schizencephaly .
According to a new study presented Monday at the Alzheimer's Association's International Conference in San Diego, eating ultra-processed food is affecting our health and significantly decreasing ...
The first study of the human brain at 3.0 T was published in 1994, [13] and in 1998 at 8 T. [14] Studies of the human brain have been performed at 9.4 T (2006) [15] and up to 10.5 T (2019). [16] Paul Lauterbur and Sir Peter Mansfield were awarded the 2003 Nobel Prize in Physiology or Medicine for their discoveries concerning MRI.