![Legends Of Surgery on Twitter: "The anatomical term 'ostium' is a Latin word meaning 'door, entrance', and is thought to arise from the Latin 'os' meaning 'mouth' (think per os, by mouth). Legends Of Surgery on Twitter: "The anatomical term 'ostium' is a Latin word meaning 'door, entrance', and is thought to arise from the Latin 'os' meaning 'mouth' (think per os, by mouth).](https://pbs.twimg.com/media/FGV2oaVX0A44ZUA.jpg)
Legends Of Surgery on Twitter: "The anatomical term 'ostium' is a Latin word meaning 'door, entrance', and is thought to arise from the Latin 'os' meaning 'mouth' (think per os, by mouth).
![What does p.o. [Lat.: per os, per orem] mean? - Definition of p.o. [Lat.: per os, per orem] - p.o. [Lat.: per os, per orem] stands for by mouth. By AcronymsAndSlang.com What does p.o. [Lat.: per os, per orem] mean? - Definition of p.o. [Lat.: per os, per orem] - p.o. [Lat.: per os, per orem] stands for by mouth. By AcronymsAndSlang.com](http://acronymsandslang.com/acronym_image/2693/d640e8941e7168efea07fe46a05ffadb.jpg)
What does p.o. [Lat.: per os, per orem] mean? - Definition of p.o. [Lat.: per os, per orem] - p.o. [Lat.: per os, per orem] stands for by mouth. By AcronymsAndSlang.com
![Histology results from the per os and immersion bioassays to test the... | Download Scientific Diagram Histology results from the per os and immersion bioassays to test the... | Download Scientific Diagram](https://www.researchgate.net/profile/Carlos-Pantoja-4/publication/264989417/figure/fig2/AS:392201440907265@1470519518220/Histology-results-from-the-per-os-and-immersion-bioassays-to-test-the-pathogenicity-of_Q320.jpg)
Histology results from the per os and immersion bioassays to test the... | Download Scientific Diagram
![PTCB Test Prep on Twitter: "💊PHARMACY ABBREVIATIONS REVISION!!!!!! #PTCB #ptce #pharmacy #pharmacist #pharmacytechnician #CPhT #rxexam #pharmacytech #rxtech #pharmacology https://t.co/sPXNPWl3y9" / Twitter PTCB Test Prep on Twitter: "💊PHARMACY ABBREVIATIONS REVISION!!!!!! #PTCB #ptce #pharmacy #pharmacist #pharmacytechnician #CPhT #rxexam #pharmacytech #rxtech #pharmacology https://t.co/sPXNPWl3y9" / Twitter](https://pbs.twimg.com/media/EoGB0FDWMAArCgv.png)
PTCB Test Prep on Twitter: "💊PHARMACY ABBREVIATIONS REVISION!!!!!! #PTCB #ptce #pharmacy #pharmacist #pharmacytechnician #CPhT #rxexam #pharmacytech #rxtech #pharmacology https://t.co/sPXNPWl3y9" / Twitter
![Keith Siau on Twitter: "Abbreviations used in medical prescribing and what they really mean #4KMedEd 💊 https://t.co/2WOlUO6jAk" / Twitter Keith Siau on Twitter: "Abbreviations used in medical prescribing and what they really mean #4KMedEd 💊 https://t.co/2WOlUO6jAk" / Twitter](https://pbs.twimg.com/media/E7anvmXWYAMMX7k.jpg:large)
Keith Siau on Twitter: "Abbreviations used in medical prescribing and what they really mean #4KMedEd 💊 https://t.co/2WOlUO6jAk" / Twitter
![Plasma concentration-time profiles of (a) dextromethorphan 5 mg per os,... | Download Scientific Diagram Plasma concentration-time profiles of (a) dextromethorphan 5 mg per os,... | Download Scientific Diagram](https://www.researchgate.net/profile/Flavia-Storelli/publication/320001054/figure/fig1/AS:585895090606081@1516699683386/Plasma-concentration-time-profiles-of-a-dextromethorphan-5-mg-per-os-b-tramadol-10_Q640.jpg)