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Per os (/ ˌ p ɜːr ˈ oʊ s /; P.O.) is an adverbial phrase meaning literally from Latin "through the mouth" or "by mouth". The expression is used in medicine to describe a treatment that is taken orally (but not used in the mouth such as, for example, caries prophylaxis). [2] The abbreviation P.O. is often used on medical prescriptions ...
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of ... nil per os o.d., od, OD right eye.
once per day o.s. oculus sinister: left eye o can be mistaken as an a which could read "a.s.", meaning left ear o.u. oculus uterque: both eyes o can be mistaken as an a which could read "a.u.", meaning both ears oz ounce p. perstetur: continue part. æq. partes æquales: equal parts per: per: by or through p.c. post cibum: after meals p.c.h.s ...
Nothing by mouth is an American medical instruction meaning to withhold food and fluids. It is also known as nil per os (npo or NPO), a Latin phrase that translates to English as "nothing through the mouth". Nil by mouth is the term used in the UK (NBM), nihil/non/nulla per os, or complete bowel rest. [1]
Pronunciation follows convention outside the medical field, in which acronyms are generally pronounced as if they were a word (JAMA, SIDS), initialisms are generally pronounced as individual letters (DNA, SSRI), and abbreviations generally use the expansion (soln. = "solution", sup. = "superior").
by mouth, that is, orally (from Latin per os) POA (Health Care) Power of Attorney: POC: postoperative care products of conception Plan of Care POCT Point-Of-Care testing [5] POD: postoperative days POEMS: POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy, myeloma protein and skin changes) POLST: Physician Orders for Life-Sustaining ...
external os, the external orifice of the uterus; internal os, the internal orifice of the uterus; per os, meaning "ingestion by mouth" os or ostium, the opening of a coronary artery; O.S. or OS, oculus sinister, meaning "left eye" in general ophthalmologic or optometric usage, particularly in eyeglass prescriptions (deprecated abbreviation)
per-through Latin per, through, by means of percutaneous peri-denoting something with a position 'surrounding' or 'around' another Greek περῐ́ (perí), around, about, concerning periodontal-pexy: fixation Greek πῆξις (pêxis), fixing in place, fastening nephropexy: phaco-lens-shaped Greek φᾰκός (phakós), lentil-bean