... or advice of a legal, medical, or any other professional. OD means once daily. The Free Dictionary. The charts providers use for making notes are often filled with these terms. definition Medical Definition of p.o. Search medical terms and abbreviations with the most up-to-date and comprehensive medical dictionary from the reference experts at Merriam-Webster. Accurate 24-hr measurement and recording is an essential part of patient assessment. For example, on an eyeglass prescription, numbers under each heading indicate the vision correction needed 2 . The further from zero the number is, the stronger the prescription for either the right or left eye. and O.S. 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. OS - What does OS stand for? 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 MedicineNet does not provide medical advice, diagnosis or treatment. The world of medical terminology is quite vast, so this list is organized by category to make it a little easier to digest. Online Medical Dictionary and glossary with medical definitions, o listing. categorize a prescription for eyeglasses, contacts or therapy. First, prefixes and suffixes, most of which are derived from ancient Greek or classical Latin, have a droppable -o-. Master today's medical … ... home / medterms medical dictionary a-z list / p.o. These abbreviations are used while prescribing drugs to a patient and these indicate how many times the particular medicine is supposed to be taken in a day. 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. 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. 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. 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. Medical Author: William C. Shiel Jr., MD, FACP, FACR; p.o. Breaking down common medical terminology. : Abbreviation meaning by mouth, orally (from the Latin "per os", by mouth). 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