PRELOAD

Preload

In cardiac physiology, preload is the end volumetric pressure that stretches the right or left ventricle of the heart to its greatest geometric dimensions under variable physiologic demand. In other words, it is the initial stretching of the cardiomyocytes prior to contraction; therefore, it is related to the sarcomere length at the end of diastole. Parameters such as ventricular end diastolic volume or pressure are used to measure preload since the ideal length of the cardiac sarcomere cannot be measured. Passive filling of the ventricle and subsequent atrial contraction thus allows an echocardiographically volumetric measurement.

The above text is a snippet from Wikipedia: Preload (cardiology)
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preload

Verb

  1. To load in advance (used especially in reference to software installed on a computer prior to sale).
    My computer came preloaded with wordprocessor software.
  2. To drink cheap alcohol at home before going out socially.
    That nightclub is so expensive. Let's preload at your flat.


The above text is a snippet from Wiktionary: preload
and as such is available under the Creative Commons Attribution/Share-Alike License.

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