| AVN | acute vasomotor nephropathy; atrioventricular nodal [conduction]; atrioventricular node; avascular n... |
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| AVND | atrioventricular node dysfunction |
| AVNFRP | atrioventricular node functional refractory period |
| AVNRT | atrioventricular node reentry tachycardia |
| BLN | bronchial lymph node |
| external urethral sphincter | Origin, ramus of pubis; insertion, with fellow in median raphe behind and in front of urethra; action, constricts membranous urethra; nerve supply, pudendal. Synonym: musculus sphincter urethrae, external urethral sphincter, Guthrie's muscle, musculus compressor urethrae, musculus constrictor urethrae, musculus sphincter urethrae membranaceae, sphincter muscle of urethra, Wilson's muscle. (05 Mar 2000) |
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| external wall of cochlear duct | The wall that faces the outer side of the cochlea. Synonym: paries externus ductus cochlearis. (05 Mar 2000) |