Solutions An opening into a cavity has 8 entries with similar clues
- sinusAir-filled cavity of skull
- lacunaHiatus (cavity)
- craterCavity formed by explosion
- cochleaThe spiral cavity of the inner ear
- auricleAn upper cavity of the heart
- follicleCavity in the skin from which a hair grows
- catheterA flexible tube inserted into a body cavity for removing fluid
- aspiratorSurgical instrument used for removing liquids from a body cavity