Information om | Engelska ordet SULCI

Exempel på hur man kan använda SULCI i en mening

• It is caused by defective neuronal migration during the 12th to 24th weeks of gestation, resulting in a lack of development of brain folds (gyri) and grooves (sulci).
• All are likely to have the same gross anatomy, saving minor differences in overall brain size, individual variation in topography of the gyri and sulci of the cerebral cortex, and morphological differences in deep structures such as the corpus callosum.
• Polymicrogyria is defined as a cerebral malformation of cortical development in which the normal gyral pattern of the surface of the brain is replaced by an excessive number of small, fused gyri separated by shallow sulci and abnormal cortical lamination.
• As development continues, gyri and sulci begin to take shape on the fetal brain, with deepening indentations and ridges developing on the surface of the cortex.
• Although the pia mater adheres to the surface of the brain, closely following the contours of its gyri and sulci, the arachnoid mater only covers its superficial surface, bridging across the gyri.
• Each lobe of the brain has numerous ridges, or gyri, and furrows, sulci that constitute further subzones of the cortex.
• The interventricular septum is directed obliquely backward to the right and curved with the convexity toward the right ventricle; its margins correspond with the anterior and posterior interventricular sulci.
• Only a few autopsies have been performed on fatal cases of HACE; they showed swollen gyri, spongiosis of white matter, and compressed sulci.
• Most notably, males have a larger amount of white matter in the frontal and temporal perisylvian region, and in the temporal stem and optic radiation, of the left hemisphere, whereas females have a larger amount of gray matter in the superior temporal gyrus, planum temporale, Heschl gyrus, cingulate gyrus, inferior frontal, and central sulci margins, of the left hemisphere.
• Enceladean sulci (subparallel furrows and ridges), like Samarkand Sulci and Harran Sulci, have been named after cities or countries referred to in The Arabian Nights.
• The sulcal pattern varies between human individuals, but the sulci and gyri do have a generalised arrangement, making a common nomenclature possible.
• Scutal areas are often indistinct; sometimes the sulci can be distinguished by color pattern or absence of tubercles; scutum and tergites are typically weakly armed.
• In general, lissencephaly is characterized by agyria (lacking of gyri and sulci to the brain – a smooth brain), seizure activity, failure to thrive, as well as intellectual disability and psychomotor retardation, often to a profound degree.
• The protoconch is composed of two oblique smooth turns, the anterior portion having four deep spiral sulci, cutting through the small longitudinal costae of the brephic stage, into which the protoconch imperceptibly passes.
• The skull contains both infra- and supraorbital sensory sulci, the infraorbital sulcus is located on the maxilla and runs posteriorly to the lacrimal while the supraorbital sulcus extends anteriorly to the naris.
• One of the first and most prominent sulci is the lateral sulcus (also known as the lateral fissure or Sylvian fissure), followed by others such as the central sulcus, which separates the motor cortex (precentral gyrus) from somatosensory cortex (postcentral gyrus).
• Cryoloops are cooling devices that use 23 gauge stainless steel hypodermic tubing shaped into a loop that can fit into sulci or on the gyri of the section of interest of the cerebral cortex.

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