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Related Concept Videos

Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

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In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
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Types of Collisions - II01:19

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When two or more objects collide with each other, they can stick together to form one single composite object (after collision). The total mass of the object after the collision is the sum of the masses of the original objects, and it moves with a velocity dictated by the conservation of momentum. Although the system's total momentum remains constant, the kinetic energy decreases, and thus such a collision is an inelastic collision. Most of the collisions between objects in daily life are...
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When two objects come in direct contact with each other, it is called a collision. During a collision, two or more objects exert forces on each other in a relatively short amount of time. A collision can be categorized as either an elastic or inelastic collision. If two or more objects approach each other, collide and then bounce off, moving away from each other with the same relative speed at which they approached each other, the total kinetic energy of the system is said to be conserved. This...
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The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
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Preventing collateral damage.

Harry Quon1, Fred Bunz1

  • 1Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, United States.

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|November 2, 2021
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Summary
This summary is machine-generated.

Nitrate supplements show promise in protecting pig salivary glands from radiation damage. This finding could inform future head and neck cancer treatments.

Keywords:
cancercell biologydietary nitrateminiature pigradiotherapy

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Area of Science:

  • Veterinary Medicine
  • Oncology
  • Radiology

Background:

  • Head and neck radiation therapy can cause significant damage to salivary glands, leading to xerostomia (dry mouth).
  • Protecting salivary gland function is crucial for maintaining quality of life in cancer patients undergoing radiotherapy.

Purpose of the Study:

  • To investigate the protective effects of nitrate supplements on salivary gland tissue in pigs exposed to radiation therapy.

Main Methods:

  • Pigs were administered nitrate supplements prior to undergoing simulated head and neck radiation therapy.
  • Salivary gland tissue was analyzed post-treatment to assess radiation-induced damage and cellular changes.

Main Results:

  • Pigs receiving nitrate supplements exhibited significantly less damage to their salivary glands compared to control groups.
  • Nitrate administration appeared to mitigate radiation-induced inflammation and tissue degradation.

Conclusions:

  • Nitrate supplementation may serve as a viable radioprotective strategy for salivary glands during head and neck radiation therapy.
  • Further research is warranted to explore the clinical application of nitrates in human cancer patients.