Tonic

{
  "id": "MLC-T-CHM-012104",
  "term": "Tonic",
  "field": "Chemistry",
  "definition": "Relating to a state of continuous, sustained muscular contraction or tension. This type of muscular activity is characterized by its persistence, in contrast to clonic activity, which involves rhythmic, alternating contraction and relaxation. In toxicology, the term describes the sustained muscle spasms that can be a sign of poisoning by certain neurotoxins, such as strychnine, which interfere with neuromuscular signaling.",
  "subject": "Chemistry and Human Health",
  "references": [
    "PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1323 (https://doi.org/10.1351/pac200779071153)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/tonic/"
}