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  2. Multiple correspondence analysis - Wikipedia

    en.wikipedia.org/wiki/Multiple_correspondence...

    MCA is performed by applying the CA algorithm to either an indicator matrix (also called complete disjunctive table – CDT) or a Burt table formed from these variables. [citation needed] An indicator matrix is an individuals × variables matrix, where the rows represent individuals and the columns are dummy variables representing categories of the variables. [1]

  3. Dense MCA sign - Wikipedia

    en.wikipedia.org/wiki/Dense_MCA_sign

    The dense MCA sign is a dense artery sign observed on non-contrast computed tomography (CT) of the brain and is an important early marker of acute ischemic stroke involving the middle cerebral artery territory. [1] It refers to an abnormally increased attenuation (hyperdensity) of the MCA, reflecting an intraluminal thrombus or embolus.

  4. Multichannel analyzer - Wikipedia

    en.wikipedia.org/wiki/Multichannel_analyzer

    A multichannel analyzer (MCA) is an instrument used in laboratory and field applications to analyze an input signal consisting of voltage pulses. [1] MCAs are used extensively in digitizing various spectroscopy measurements, especially those related to nuclear physics , including various types of spectroscopy (alpha-, beta-, and gamma ...

  5. Dense artery sign - Wikipedia

    en.wikipedia.org/wiki/Dense_artery_sign

    In medicine, the dense artery sign or hyperdense artery sign is an increased radiodensity of an artery as seen on computer tomography (CT) scans, and is a radiologic sign of early ischemic stroke. [1] In earlier studies of medical imaging in patients with strokes, it was the earliest sign of ischemic stroke in a significant minority of cases. [2]

  6. Middle cerebral artery syndrome - Wikipedia

    en.wikipedia.org/wiki/Middle_cerebral_artery...

    The MCA is the most common site for the occurrence of ischemic stroke. [1] Depending upon the location and severity of the occlusion, signs and symptoms may vary within the population affected with MCA syndrome. More distal blockages tend to produce milder deficits due to more extensive branching of the artery and less ischemic response.

  7. Machine Check Architecture - Wikipedia

    en.wikipedia.org/wiki/Machine_check_architecture

    In computing, Machine Check Architecture (MCA) is an Intel and AMD mechanism in which the CPU reports hardware errors to the operating system.. Intel's P6 and Pentium 4 family processors, AMD's K7 and K8 family processors, as well as the Itanium architecture implement a machine check architecture that provides a mechanism for detecting and reporting hardware (machine) errors, such as: system ...

  8. Middle cerebral artery - Wikipedia

    en.wikipedia.org/wiki/Middle_cerebral_artery

    Other cases include duplication of the MCA at the internal carotid artery (ICA) or an accessory MCA (AccMCA) which arise not from the ICA but as a branch from the anterior cerebral artery. [4] The middle trunk that exist in parts of the population, when present provides the pre-Rolandic , Rolandic , anterior parietal , posterior parietal and ...

  9. Androgen deprivation therapy - Wikipedia

    en.wikipedia.org/wiki/Androgen_deprivation_therapy

    Androgen deprivation therapy (ADT), also called androgen ablation therapy or androgen suppression therapy, is an antihormone therapy whose main use is in treating prostate cancer. Prostate cancer cells usually require androgen hormones , such as testosterone , to grow.