But when a horse develops laminitis, an inflamation of the tissue that bonds the horse's bone to the inner wall of the hoof, the hoof doesn't work properly, the animal is in pain and its health can be severely compromised. No lesser horse than the great Secretariat, the 1973 Triple Crown winner, was felled by laminitis.
â¢ URETER (noun) The noun URETER has 1 sense: 1. either of a pair of thick-walled tubes that carry urine from the kidney to the urinary bladder. Familiarity information: URETER used as a noun is very rare.
OD is an abbreviation for the Latin oculus dexter, meaning right eye. OS is an abbreviation for the Latin oculus sinister, meaning left eye. The first number after the determination of which eye is the sphere. A negative number indicates myopia. A positive number indicates hyperopia. The second number in this prescription is the cylinder (astigmatism), and the third number is the axis of the cylinder component. The axis of the astigmatism does not relate to the amount of cylinder, just the location of the irregularity.