| Answer | Crossword Clue |
|---|---|
| LETHE | Hadean river from which the dead drank |
| LETHE | River that the dead drank from, in myth |
| sequestrum | (Latin) a portion of dead bone which becomes separated from the sound portion, as in necrosis |
| sequestrums | SEQUESTRUM, (Latin) a portion of dead bone which becomes separated from the sound portion, as in necrosis |
| sequestral | of or like a sequestrum, a portion of dead bone which becomes separated from the sound portion, as in necrosis |
| ERIE | Lake from which the Niagara River flows |
| upstream | Moving or situated in the opposite direction from that in which a stream or river flows; nearer to the source |
