STENOZ (az yunoni stenos — borik, tang), tazayyuq, tangi, tang shudani surokhi yagon uzv (baromadgohi meda, khirnoy, bronkhho, ruda, surkhruda, arteriyaho va gayra)-ro guyand. Stenoz modarzodi (masalan, Stenozi baromadgohi meda dar kudaki) va iktisobi (dar mavridi karakhsh bastani resh, khadshai jarohat, varami devorahoi uzv dar vaqti gazakgirii on, jarohat, omos va gayra meshavad.