gill (suomeksi)

kidus (s: breathing organ of fish)
kidukset (s: breathing organ of fish / gill cover; gill slit / kiduskansikidusrako)
kiduskansi (s: gill cover; gill slit / kiduskansi / cover)
kidusrako (s: gill cover; gill slit / kiduskansikidusrako / slit)
heltta (s: mushroom organ)