[Collimating mask for treatment with 200 kV X-rays].
1984
A Meneses Dewelde, and
A Alvarez Rivero
UI
MeSH Term
Description
Entries
D008397
Masks
Devices that cover the nose and mouth to maintain aseptic conditions often for the prevention of the spread of infections (e.g. COVID19) or to administer inhaled anesthetics or other gases.
Mask
D011835
Radiation Protection
Methods and practices adopted to protect against RADIATION.
Protection, Radiation
D011879
Radiotherapy Dosage
The total amount of radiation absorbed by tissues as a result of radiotherapy.
Radiotherapy using high-energy (megavolt or higher) ionizing radiation. Types of radiation include gamma rays, produced by a radioisotope within a teletherapy unit; x-rays, electrons, protons, alpha particles (helium ions) and heavy charged ions, produced by particle acceleration; and neutrons and pi-mesons (pions), produced as secondary particles following bombardment of a target with a primary particle.
Megavolt Radiotherapy,High-Energy Radiotherapy,Radiotherapy, Megavolt,High Energy Radiotherapy,Radiotherapy, High Energy