There are multiple definitions:

1. cancer-associated retinopathy(English)

   • a syndrome
   • AARON, AIR, ARA, ERG, GEDi-R, IRD, MAR, MEEI, OCT, RPE
   • Ophthalmology, Oncology
   • https://doi.org…joc.2019.100461

2. coxsackievirus–adenovirus receptor(English)

   • Virology, Receptors

3. chemokine ligand 12 abundant reticular(English)

   • hematopoietic stem cell
   • Hematology, Stem cell

4. chimeric antigen receptor(English)

   • T-cell as form of immunotherapy that uses specially altered T cells to more specifically target cancer cells
   • CAR-T, ICI, TIL, alloSCT
   • Immunology, Therapeutic approaches
   • https://doi.org…1591-020-1081-3
   • https://www.dan…t-cell-therapy/

5. cortisol awakening response(English)

   • phenomenon of an increase after awakening that appears to be a distinct feature of the hypothalamus-pituitary-adrenal axis, superimposing the circadian rhythmicity of cortisol secretion
   • HPA, SMC
   • Cortisol, Physiology, Psychology
   • https://doi.org…cho.2008.03.014
   • https://doi.org…46.2022.2141240

6. constitutive androstane receptor(English)

   • nuclear receptor recognized as important to toxicology and involved in detoxification and drug interactions
   • AhR, ED, EDC, FXR, LXR, PPAR, PXR, TR, TßRI-CA, SSc
   • Receptors, Toxicology
   • https://doi.org…5931(03)00080-2

7. cohesin-associated region(English)

   • on chromosome arm
   • QR
   • Genetics, Biochemistry
   • https://doi.org…cub.2010.04.018

8. CRP/albumin ratio(English)

   • AGR, APRI, CONUT, CRP, CSS, HALP, PIS, PNI, SIS, BAR
   • Clinical chemistry, Ratio-based metric
   • https://doi.org…598-017-16955-5

9. central activation ratio(English)

   • a common outcome measure used to quantify gross neuromuscular function of the quadriceps using the superimposed burst technique. CAR = MVIC force / (MVIC + stimulated force), with a value of 1 indicating full central activation
   • MVIC
   • Physiology, Musculoskeletal system, Ratio-based metric
   • https://doi.org…3/jsr.2019-0243

10. carfilzomib [monotherapy](English)

    • DARA, POM, POM-d, RRMM
    • Chemotherapy
    • https://doi.org…era.2017.08.010

11. clinical acute rejection(English)

    • confirmed by biopsy and treated with intravenous pulse steroid therapy
    • CAI, CAR, CNI, CSA, HTN, MMF, SCAR, SRL
    • Coronary circulation, Biopsy
    • https://doi.org…rim.2008.08.005

12. central activation ratio(English)

    • details are acquired bilaterally to detail the proportion of motor unit pool available and volitionally activated
    • ACLR, dEMG, EMG, MFR, MU, MUAP, MVIC, RT
    • Ratio-based metric, Electrophysiology, Myocyte / muscle
    • https://doi.org…717/peerj.16261

13. current allergic rhinitis(English)

    • defined as the presence, in the last 12 months, of problem with sneezing or a runny or blocked nose when the child did not have a cold or flu
    • AR, ARIA, PDA, SEP
    • Allergy, Public Health, ENT, Environment, Pediatrics
    • https://doi.org…ijerph192114551