medical device
Regulatory oversight for medical devices generally scales with risk, so a simple bandage faces far less scrutiny than an implanted pacemaker.
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Regulatory oversight for medical devices generally scales with risk, so a simple bandage faces far less scrutiny than an implanted pacemaker.
Read definitionThree chemical forms with three different hazards, which is why an exposure cannot be judged from the word mercury alone.
Read definitionA measure of volume in the metric system.
Read definitionA test that measures the strength of the muscles used in breathing.
Read definitionEasy to confuse with mm for millimeter and with mmol for a plain amount, the capital M is the part that signals a concentration.
Read definitionSmall enough that surface area dominates behavior, which is why the same material acts differently once broken this fine.
Read definitionNanotechnology engineers materials at the scale of individual atoms and molecules, with applications spanning electronics, materials science, and medicine.
Read definitionOne word, three unrelated meanings: a skin lesion, a fatty deposit inside an artery, and the bacterial film that coats teeth.
Read definitionConducting airways carry air without exchanging any gas, and only the final branches of the tree do the actual work of respiration.
Read definitionA type of skin cancer on or under the skin that has spread from the primary tumor through the lymph system and is not more than 2 centimeters away from the original tumor.
Read definitionCancer of the adrenal gland that is smaller than 5 centimeters (smaller than 2 inches) and is found in the adrenal gland only.
Read definitionThe tumor is no larger than 2 centimeters.
Read definitionStage I breast cancer is divided into stages IA and IB.
Read definitionCancer is found in the cervix only.
Read definitionThe tumor is found only in one area of the hypopharynx and is 2 centimeters or smaller.
Read definitionThe tumor is 7 centimeters or smaller and is found in the kidney only.
Read definitionCancer that is 2 centimeters or smaller and has not spread outside the oropharynx.
Read definitionCancer is found in the pancreas only.
Read definitionStage I vulvar cancer is divided into stages IA and IB.
Read definitionStage I breast cancer is divided into stages IA and IB.
Read definitionFor learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.