【医】 double channel catheter; two-way catheter; Winternitz's sound
both; double; even; twin; two; twofold
【化】 dyad
【医】 amb-; ambi-; ambo-; bi-; bis-; di-; diplo-; par
antrum; cavity
【医】 cava; cavern; caverna; cavitas; cavitat; cavity; cavum; celio-; chamber
coel-; coelio-; lumen; lumina; space; spatia; spatium
catheter; conduit; duct; meatus; pipe; trachea
【化】 connecting conduct
【医】 catheter; conductor; duct; ductus; iter
