Medical Definition of tesla. : a unit of magnetic flux density in the mks system equivalent to one weber per square meter.
Perinephric stranding is probably the manifestation of increased pressure in the collecting system in the early phase of ureteral obstruction. Stranding of perinephric fat is defined as linear areas of soft tissue attenuation in the perinephric space, which can result from any acute process or injury to the kidney. When unilateral perinephric stranding is identified it is most frequently the result of calyceal rupture or perinephric inflammation. Perinephric stranding is probably the manifestation of increased pressure in the collecting system in the early phase of ureteral obstruction.
(on prescription): Seen on a prescription, q.d. (or qd) means one a day (from the Latin quaque die). The abbreviation is sometimes written without a period in capital letters as QD. However it is written, it is one of a number of hallowed abbreviations of Latin terms that have been traditionally used in prescriptions to specify the frequency with which medicines should be taken. Other examples include: 1  b.i.d. (bid or BID) is twice a day; b.i.d.. stands for bis in die (which means, in Latin, twice a day).  t.i.d. (or tid or TID) is three times a day ; t.i.d. stands for ter in die (in Latin, 3 times a day).