Oncology & Cancer

Why some melanoma patients do not respond to immunotherapy

By harnessing the immune system against cancer, immunotherapies have revolutionized the way some types of cancer are treated. But most patients—across cancer types—do not respond, and in most cases, scientists are at ...

Diseases, Conditions, Syndromes

Could our immune system be why COVID-19 is so deadly?

Respiratory viruses such as SARS-CoV-2 (causing COVID-19) can often catalyze an overactive immune response that leads to a life-threatening cycle, known as a cytokine storm. Analyzing cytokine responses from patients infected ...

Diseases, Conditions, Syndromes

Can vaccinated people still spread the coronavirus?

So you've gotten your coronavirus vaccine, waited the two weeks for your immune system to respond to the shot and are now fully vaccinated. Does this mean you can make your way through the world like the old days without ...

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System

System (from Latin systēma, in turn from Greek σύστημα systēma) is a set of interacting or interdependent entities forming an integrated whole.

The concept of an 'integrated whole' can also be stated in terms of a system embodying a set of relationships which are differentiated from relationships of the set to other elements, and from relationships between an element of the set and elements not a part of the relational regime.

The scientific research field which is engaged in the study of the general properties of systems include systems theory, systems science, systemics and systems engineering. They investigate the abstract properties of the matter and organization, searching concepts and principles which are independent of the specific domain, substance, type, or temporal scales of existence.

Most systems share common characteristics, including:

The term system may also refer to a set of rules that governs behavior or structure.

This text uses material from Wikipedia, licensed under CC BY-SA