RA
adjective
anatomyspecializeduk/ɑː ˈeɪ/us/aːr ˈeɪ/abbreviationforradialartery: theartery(=largebloodvessel)that goes from below theelbowto thepalmof thehand
桡动脉（radial artery的缩写）The circulatory system & blood
- ABO
- accessory pathway
- antegrade
- anterograde
- anti-platelet
- blood donor
- capillary
- erectile
- immunoglobulin
- intravascular
- intravenous
- intravenously
- jugular
- jugular vein
- Rh factor
- VEGF
- veined
- vena
- venosus
- ventricular
RA
noun[C]
anatomyspecializeduk/ɑː ˈeɪ/us/aːr ˈeɪ/abbreviationforrightatrium: therightupperchamber(=space)of theheart
右心房（right atrium的缩写）The circulatory system & blood
- ABO
- accessory pathway
- antegrade
- anterograde
- anti-platelet
- blood donor
- capillary
- erectile
- immunoglobulin
- intravascular
- intravenous
- intravenously
- jugular
- jugular vein
- Rh factor
- VEGF
- veined
- vena
- venosus
- ventricular