First, prefixes and suffixes, most of which are derived from ancient Greek or classical Latin, have a droppable -o-. The world of medical terminology is quite vast, so this list is organized by category to make it a little easier to digest. The Free Dictionary. This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies.Most of them are combining forms in New Latin and hence international scientific vocabulary.There are a few general rules about how they combine. Looking for online definition of OS or what OS stands for? Medical Author: William C. Shiel Jr., MD, FACP, FACR; p.o. OS - What does OS stand for? The further from zero the number is, the stronger the prescription for either the right or left eye. Breaking down common medical terminology. ... or advice of a legal, medical, or any other professional. BD means bi - daily. In some slow-growing and low-grade malignancies like follicular lymphoma, however, the 10-year overall survival may be more reflective of what would be considered a cure. The charts providers use for making notes are often filled with these terms. You might … The 5-year OS is used for many cancers including high-grade lymphomas in view of the fact that those who do survive 5 years are likely to be cured of their disease. See: Intake and Output ... home / medterms medical dictionary a-z list / p.o. Medical Terminology Unit 15 Ophthalmology, Endocrinology, and Medical Specialties Ophthalm/o = Eye ... os ou PERRLA T 3, T 4 TIA TSH Right eye (oculus dexter) Doctor of optometry Left eye (oculus sinister) Both eyes (oculus uterque) Pupils equal, round, reactive to light and accomodation Accurate 24-hr measurement and recording is an essential part of patient assessment. I and O: , I and O Measurement of a patient's fluid intake by mouth, feeding tubes, or intravenous catheters and output from kidneys, gastrointestinal tract, drainage tubes, and wounds. Medical terms. and O.S. The terms O.D. For example, on an eyeglass prescription, numbers under each heading indicate the vision correction needed 2 . Master today's medical … : Abbreviation meaning by mouth, orally (from the Latin "per os", by mouth). categorize a prescription for eyeglasses, contacts or therapy. Online Medical Dictionary and glossary with medical definitions, o listing. So take that med 1 time a day. The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. MedicineNet does not provide medical advice, diagnosis or treatment. Search medical terms and abbreviations with the most up-to-date and comprehensive medical dictionary from the reference experts at Merriam-Webster. 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