There are multiple definitions:

1. Council of Science Editors(English)

   • Medical publications, Organizations (scientific)

2. combined spinal-epidural [anesthesia](English)

   • allows for more gradual onset and also prolongation of the anaesthesia through use of a catheter
   • LORTA, LORTS, SSS
   • Anesthesiology/analgesia, Pain, Obstetrics

3. cigarette smoke extract(English)

   • affected mast cells promote alveolar macrophage infiltration and polarization in experimental chronic obstructive pulmonary disease
   • BMMC, COPD, FACS, IgE, CS, NT
   • Pulmonology, Toxicology, Air pollution
   • https://doi.org…78.2015.1116644
   • https://doi.org…491.2016.12.011

4. cystathionine γ-lyase(English)

   • CBS, CO, H2S, NO, 3-MST
   • Enzymes, Regulation / control
   • https://doi.org…srev.00028.2021

5. corticospinal excitability(English)

   • M1, Mdn, MEP, PMd, REML, RMS, RMT, RoR, SMA, TMS, ACC, AGLR, AURC, ECR, EMG, FCR
   • Brain (dys)function, Electrophysiology, Myocyte / muscle
   • https://doi.org…nhum.2016.00204

6. cocoa shell extract(English)

   • ACh, AICAR, AMPK, CRC, ED, EDHF, MRA, SBP, SNP, VEH, VSMC
   • Nutrition, Pregnancy
   • https://doi.org/10.1113/JP287097