Based on a dynamic parameter of the cerebrospinal fluid (CSF) flow, an original formula for estimating the pathology of the spinal motion segments of the spine is given. The graphs that clearly demonstrate a change in pathology depending on the depth of traumatization are given. The data ...
established a fluid-solid coupling finite element model for the L4-L5 segment of degenerative lumbar spine with lumbar disc herniation, and verified the effectiveness of the model, providing theoretical guidance for the clinical treatment of lumbar disc herniation in the later stage [26]. In ...
it has been recognized that fluid protein condensates, including coacervates and liquid crystals, are involved in the biofabrication of functional materials in numerous organisms. Prominent examples include elastin, spider silk, the mussel byssus and various biomineralized tissues as well as less studied ...
Flow rates were also calculated elsewhere within the CSF system. A small region-of-interest (ROI) with 6 voxels was positioned within the centre of the aqueduct on the 10 minute time-point scan (post-infusion). The total change in Hounsfield Units for voxels within the ROI was plotted ...
Neuroimaging Anatomy, Part 2: Head, Neck, and Spine Katherine L. Reinshagen MD, ... Mary Beth Cunnane MD, in Neuroimaging Clinics of North America, 2022 Lacrimal apparatus The main function of lacrimal apparatus is to provide adequate moisturization of the cornea and conjunctiva—this requires ...
The hypothesis that sex differences in body height, resulting in a greater spine length and consequently an increased distance for cerebrospinal fluid (CSF) flow in males compared to females, has been posited as a potential explanation for the observed disparity in QAlb values between the sexes [...
cerebrospinal fluid with a long, thin needle. You'll get a local anesthetic to numb the skin in the area, and the needle will go in between two of your vertebrae, the bones that surround your spinal cord and make up your spine. They'll take a tablespoon or two of the fluid for ...
These structures are described as a series of tubules within an outgrowth of arachnoid tissue that are continuous with the CSF of the SAS of the cranium and the spine8,9. They were initially believed to act as one-way valves for a pressure-driven flow from CSF to venous blood10; however...
Generally, fast-flow CSF leaks are most easily identified by the presence of a longitudinal extradural CSF collection on diagnostic spine MRI and localized by the direct visualization of contrast extrusion from the thecal Pitfalls in the Localization of Spinal CSF Leaks Excellent operator technique, a...
14, selector member 88 includes an orientation spine 88s that is received in groove 96c. Selector knob 94 also includes an outwardly extending flange 94c which carries circumferentially spaced finger-gripping elements 100 which assist in rotating the selector knob (FIG. 12). Flange 94c also ...