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The pathophysiology of cranial venous outflow obstruction involves the disruption of normal venous drainage from the brain. Cerebral veins play a crucial role in draining brain interstitial fluid (ISF), and their significance has been linked in various neurological conditions. [1] It can be caused by extrinsic or intrinsic anomalies. [7]
The brain and muscle have particularly high metabolic demands, therefore, making creatine a necessary molecule in ATP homeostasis. [11] [12] In regard to the brain, in order for creatine to reach the brain, it must first pass through the blood–brain barrier (BBB). The BBB separates blood from brain interstitial fluid and is, therefore, able ...
Interstitial atoms (blue) occupy some of the spaces within a lattice of larger atoms (red) In materials science, an interstitial defect is a type of point crystallographic defect where an atom of the same or of a different type, occupies an interstitial site in the crystal structure.
A nearby pair of a vacancy and an interstitial is often called a Frenkel defect or Frenkel pair. This is caused when an ion moves into an interstitial site and creates a vacancy. Due to fundamental limitations of material purification methods, materials are never 100% pure, which by definition induces defects in crystal structure.
The term INAH (interstitial nuclei of the anterior hypothalamus), first proposed in 1989 by a group of the University of California at Los Angeles, refers to 4 previously undescribed cell groups of the preoptic-anterior hypothalamic area (PO-AHA) of the human brain, which is a structure that influences gonadotropin secretion, maternal behavior, and sexual behavior in several mammalian species.
A variety of brain abnormalities are also associated with 13q deletion. They can include epilepsy, craniosynostosis (premature closing of the skull bones), spastic diplegia, cerebral hypotrophy, underdevelopment or agenesis of the corpus callosum, cerebellar hypoplasia, deafness, and, rarely, hydrocephalus, Dandy–Walker syndrome, and spina ...
Creatine is synthesized primarily in the liver and kidneys via a two-step enzymatic process, with AGAT and GAMT enzymes. Defects in either of these two enzymes can cause a CCD. In order to pass the blood brain barrier, creatine requires a specialized transporter, encoded for by SLC6A8. A defect in this transporter is responsible for the third ...
It contains the interstitial nucleus of Cajal, responsible for oculomotor control, head posture, and vertical eye movement. [ 2 ] The MLF interconnects interneurons of each abducens nucleus with motor neurons of the contralateral oculomotor nucleus ; thus, the MLF mediates coordination of horizontal (side to side) eye movements, ensuring the ...