There are multiple definitions:

1. inferior vena cava(English)

   • thrombosis should be considered a differential diagnosis for inexplicable lower back or abdominal pain especially in young patients. Malignant disease and congenital IVC anomalies seem to be predisposing factors for thrombosis involving the inferior vena cava
   • SVC, IVCCI, LVFP
   • Anatomy, Cardiology, Thrombocyte /thrombosis, Medical imaging, Diagnostics
   • https://doi.org…01-1526/a000288
   • https://doi.org…ail.2020.01.018

2. intravenous cyclophosphamide(English)

3. isovolumic contraction(English)

   • Cardiology, Myocyte / muscle

4. in vitro coculture(English)

   • LNL, MHC, PBL
   • Culture medium
   • https://doi.org…/jem.169.6.1961

5. intravitreal conbercept(English)

   • seems to be effective and safe for the treatment of DME
   • CNKI, DME, PDR, VEGF
   • Ophthalmology
   • https://doi.org…55/2022/2256779
   • https://www.crd…ac.uk/prospero/

6. inspiratory vital capacity(English)

   • may refer to neoadjuvant immune checkpoint inhibitor therapy
   • FEV1, FVC, TLC
   • Respiratory system, Chemotherapy
   • https://doi.org…xbyxb-2023-0290

7. intravertebral [vacuum] cleft(English)

   • refers to treatment of osteoporotic vertebral compression fracture
   • BMD, ODI, OVCF, PKP, PVP, PA, PHL, RA, RR, VAS
   • Spine (or spinal cord), Surgery
   • https://doi.org…2-1892.20160225
   • https://doi.org…018-020-01938-6

8. inferior venacaval [conduit](English)

   • may refer to an end-to-side anastomosis for the kidney
   • Kidney and adrenals, Surgery
   • https://doi.org…155/2014/651608