![]() ![]() ![]() Use Label tool to trace the accurate mass, temperature, density and volume of every substance in containers as the reactions are happening. ![]() Or simply tap on a chemical reagent to read the basic information about it. Use different tools to measure more than one beaker at the same time. ChemLab originated from academic work in computer simulation and software design at McMaster University. Or invite a friend to hold a thermometer for you while you are mixing the chemicals. Share your discoveries with others through the web browser so they can see them anytime, anywhere. Wallenberg syndrome (WS) is a neurological disorder that is due to damage to the lateral portion of the medulla oblongata (i.e., the lateral medullary syndrome).Lateral medullary syndrome or Wallenberg syndrome is caused by occlusion of the arteries that supply lateral medulla oblongata. It is usually caused by occlusion of posterior inferior cerebellar artery, therefor the name PICA-syndrome. WS is typically due to ischemia from a vertebral artery or posterior inferior cerebellar artery infarction. Named after Adolf Wallenberg in 1895, this neurological condition is characterized by lateral medullary infarction resulting from an occlusion of the posterior inferior cerebellar artery (PICA) or the vertebral artery.1 This monograph highlights the neuro-ophthalmic presentations for the WS. The primary pathology of Wallenberg syndrome is occlusion of the posterior inferior cerebellar artery (PICA) or one of its branches (2).The syndrome is characterized by “crossed neurological signs”, ipsilateral sensory deficits of the face and contralateral sensory deficits of the trunk and the limbs.The posterior inferior cerebellar artery is a branch of the basilar artery and supplies lateral parts of the medulla oblongata and parts of the cerebellum with arterial blood. Often associated with Wallenberg syndrome. Other signs and symptoms include vomiting, vertigo, hoarseness, dysphonia, dysphagia, decreased gag reflex, contralateral ataxia and ipsilateral Horner’s syndrome.(T/F?) (aka lateral medullary syndrome, PICA syndrome). The syndrome can also be due to occlusion of the vertebral artery, or the inferior, middle, or superior medullary vessels. Anatomically the infarcted area in Wallenberg syndrome is supplied by the posterior. Involving occlusion of posterior inferior cerebellar artery (PICA). If you use Cursorcerer, please consider supporting it with a PayPal donation, or say hi on Twitter.Lateral pontine syndrome is a neurological syndrome caused by occlusion of the anterior inferior cerebellar artery (AICA) and is characterized by crossed neurological signs and symptoms but also by ipsilateral deafness and facial paresis, in difference to the PICA-syndrome.The Weigert stain involves the treatment of nervous tissue with potassium dichromate to preserve myelin. Legacy users can grab the 32-bit version here, or 2.0 here. The minimum idle hiding threshold has also been lowered at the request of some users. Update: Cursorcerer has been updated to a 64-bit version that runs smoothly in the latest versions of macOS. The technique behind this global cursor hiding hack originates in a useful post to the Apple carbon-dev mailing list from Red Sweater’s Daniel Jalkut.Ĭursorcerer 3.5 is signed, notarized, and works in macOS Ventura, Monterey, and Big Sur-and now natively supports Apple silicon Macs as well as Intel-based Macs. If you want to uninstall, go to ~/Library/PreferencePanes/ and trash Cursorcerer. Hit control-option-k to zap and unzap the cursor. To install, just double click on the prefpane. The trick’s only major downfall is that it’s a constant battle to get the cursor out of the way. I use it all the time to make things like embedded web videos full screen. The inspiration for this tool is one of my favorite and most utilized macOS features: the control-scrollwheel zoom trick. It can also autohide an idle cursor and bring it back as soon as you move the mouse. Cursorcerer is a little tool I hacked together which allows you to hide the Mac’s cursor at any time by use of a global hotkey. ![]()
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