| REF | ejection fraction at rest; referred; refused; renal erythropoietic factor |
|---|---|
| REN | renal; renin |
| RER | renal excretion rate; respiratory exchange ratio; rough endoplasmic reticulum |
| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
| RFI | radiofrequency interference; recurrence-free interval; renal failure index |
| inferior haemorrhoidal veins | An obsolete term for inferior rectal veins. (05 Mar 2000) |
|---|---|
| inferior palpebral veins | Veins of inferior eyelid; veins originatin gin the inferior eyelid and emptying into the angular vein. Synonym: venae palpebrales inferiores, veins of inferior eyelid. (05 Mar 2000) |
| inferior rectal veins | Veins that pass to the internal pudendal vein from the inferior rectal venous plexus around the anal canal. Synonym: venae rectales inferiores. (05 Mar 2000) |
| inferior thalamostriate veins | Veins draining the thalamus and striate body exiting the anterior perforated substance; tributary to the basal vein. Synonym: venae thalamostriatae inferiores, striate veins, venae striatae. (05 Mar 2000) |
| inferior veins of cerebellar hemisphere | Several veins draining the inferior portion of the cerebellar hemispheres; they terminate in the petrosal vein. Synonym: venae hemispherii cerebelli inferiores. (05 Mar 2000) |
| infrasegmental veins | infrasegmental veins |
| innominate cardiac veins | The small superficial vein's of the heart. Synonym: Vieussens' veins. (05 Mar 2000) |
| innominate veins | An obsolete term for brachiocephalic veins. (05 Mar 2000) |
| insular veins | Veins draining the cortex of the insula, tributaries to the deep middle cerebral vein. Synonym: insular veins. (05 Mar 2000) |
| intercapitular veins | The veins connecting the dorsal and palmar veins in the hand, or the dorsal and plantar veins in the foot. Synonym: venae intercapitales. (05 Mar 2000) |
| intercostal veins | See: anterior intercostal veins, posterior intercostal veins, highest intercostal vein, left superior intercostal vein. (05 Mar 2000) |
| interlobar veins of kidney | The veins in the kidney that parallel the interlobar arteries, receiving blood from arcuate veins, and terminate in the renal vein. Synonym: venae interlobares renis. (05 Mar 2000) |
| interlobular veins of kidney | They parallel the interlobular arteries and drain the peritubular capillary plexus, emptying into the arcuate veins. Synonym: venae interlobulares renis. (05 Mar 2000) |
| interlobular veins of liver | The terminal branches of the portal vein that course in the portal canals between the conceptual liver lobules and empty into the liver sinusoids. Synonym: venae interlobulares hepatis. (05 Mar 2000) |
| internal auditory veins | One or more veins accompanying the labyrinthine artery; they drain the internal ear, pass out through the internal acoustic meatus, and empty into the transverse sinus or the inferior petrosal sinus. Synonym: venae labyrinthi, internal auditory veins. (05 Mar 2000) |