【医】 bilocular joint
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
articulation; joint; key links
【医】 arthr-; arthro-; arthron; article; articulatio; articulation
articulationes; articuli; articulus; artus; joint; junctura; syntaxis