There are multiple definitions:
regularity index(English)
respiratory impedance(English)
reflection index(English)
retention index(English)
remodeling index(English)
- incorporates left ventricular volume and wall-thickness in a single measure of advanced hypertrophy in hypertensive patients
- EDV, HTN, LVEDV, LVH, CTA, CVA, DPS, ESUS, FC, IPH, MLN, MRI, NIAP, PB
- Cardiology, Hypertension, Ratio-based metric
- https://doi.org…3/ehjci/jeaa040
- https://doi.org…598-023-48091-8
rostral interstitial nucleus of medial longitudinal fasciculus(English)
- contains the premotor burst neurons, which are essential for the generation of vertical and torsional saccades. In addition, this region contains premotor neurons with projections to the motoneurons of dorsal neck muscles participating in eye–head or only head movements. Located in the mesencephalic reticular formation and forms the medial part of the H fields of Forel. In transverse sections it forms a wing-shaped nucleus ventromedial to the third ventricle and borders the parvocellular portion of the red nucleus dorsomedially. The nucleus adjoins directly the rostral end of the interstitial nucleus of Cajal (InC), from which it is separated by the traversing fibers of the fasciculus retroflexus. Its rostral end is roughly demarcated by the traversing fibers of the mammillo-thalamic tract. In transverse sections the posterior thalamo-subthalamic artery serves as a helpful landmark, which borders the RI dorsomedially like an eyebrow. Composed of several morphological cell types, enclosing small to medium-sized neurons, which are embedded in the fibers of the medial longitudinal fasciculus, resulting in its reticulated appearance
- riMLF, RPC
- Neurons, Anatomy, Brain (dys)function
- https://doi.org…74236-0.10009-4
resistance island(English)
- large insertion containing a collection of horizontally transferred genes related to antibiotic inactivation and efflux. Can be carried on bacterial chromosome or on plasmid. Antibiotic resistance genes are usually interspersed with mobile genetic elements such as insertion sequence and transposons; also denoted as REI
- IS, MDR, NGS, PCR, REI
- Genomics, Bacteriology, Gene cluster
- https://doi.org…al.pone.0066584
resistive index [of prostate](English)
[conserved] Region I(English)
- part of the circumsporozoite protein of Plasmodium falciparum
- CSP, NPNA, TMV
- Malaria
- https://doi.org…541-022-00430-y
reflux index(English)
reciprocal inhibition(English)
- technique where the therapist stretches the target muscle until the patient experiences pain or feels soft tissue resistance and allows the patient to actively contract the antagonism of the target muscle. At the same time, the therapist applies resistance for 5–10 s and repeats it 3–5 times
- CR, CRAC, LT, MET, MT, PA, PIR, RI, SA, UT
- Shoulder and other joints
- https://doi.org…55/2022/2537957
responder index(English)
- refers to chronic low back pain
- CLBP, PGA
- Pain, Spine (or spinal cord), Rheumatology
- https://doi.org…9/jrheum.091444
resistive index [of (carotid) hemodynamic parameters](English)
restricted linear index(English)
resistivity index [of aorta](English)
run-in [period](English)
- can be used to improve the validity of randomized controlled trials, but their utility in Chronic Pain (CP) trials is debated
- CEA, CP, RCT, NRI
- Clinical trials, Pain
- https://doi.org…ppcrj.2022.82.5
retention index [in gas chromatography](English)
response index(English)
- constructed for each patient by giving a point when the value for each selected bacterial marker differs from the cutoff
- FODMAP, IBS
- Gastroenterology, Bacteriology, Scoring systems/scales
- https://doi.org…0620-017-4893-3
recombinant inbred(English)
reference interval(English)
- may refer to screening for selected serum and urine biomarkers related to CKD
- CKD, SDMA
- Veterinary medicine, Screening, Kidney and adrenals, Biomarker, Urology
- https://doi.org…98612X231207492